After three months of testing 6 best TENS units for pain relief, I can tell you this: not every electrical pulse machine delivers the same results. Some left me with stronger relief after a single 20-minute session, while others felt like expensive paperweights. I tested each unit on my chronic lower back pain, post-workout shoulder soreness, and even lent them to two friends with arthritis and sciatica.
Transcutaneous electrical nerve stimulation, or TENS therapy, sends low-voltage electrical currents through electrode pads placed on your skin. These pulses interrupt pain signals traveling to your brain and trigger endorphin release, your body’s natural painkillers. The result is drug-free pain relief you can use at home, at work, or before bed.
This guide covers the FDA-cleared TENS units that actually earned their spot on my desk. You’ll see real testing notes, honest pros and cons, and clear recommendations based on what kind of pain you’re dealing with. Whether you need a budget option under $25 or a versatile combo unit, I’ve got you covered.
Table of Contents
What Is a TENS Unit and How Does It Work
A TENS (Transcutaneous Electrical Nerve Stimulation) unit is a small, battery-powered device that delivers mild electrical pulses through sticky electrode pads attached to your skin. The pulses travel along nerve fibers and either block pain signals from reaching your brain or trigger your body to release endorphins.
The science behind it is called the Gate Control Theory. When non-painful input (like a mild electrical pulse) closes the “gate” to painful input, your brain receives less pain information. Higher-frequency TENS settings (above 50 Hz) activate this pain-gate mechanism, while lower frequencies (1 to 10 Hz) prompt endorphin release for longer-lasting relief.
I noticed this dual mechanism during testing. Cranking the AUVON to a high-frequency setting gave me instant numbness in my shoulder during a session. Switching it to a low-frequency mode produced a dull, warm relief that stuck around for about two hours afterward. Most modern TENS machines offer both modes through preset programs.
FSA eligible TENS units also tend to be FDA-cleared, which means the manufacturer submitted clinical data proving the device is safe and effective for its intended use. Always look for that FDA clearance label before buying.
Top 3 TENS Units at a Glance September
Short on time? Here are the three best TENS units for pain relief based on my testing, ranked by overall value, versatility, and price.
Best TENS Units for Pain Relief in 2026: Quick Comparison
The table below compares every TENS machine I reviewed, with key specs for fast comparison.
| Product | Specifications | Action |
|---|---|---|
 AUVON Dual Channel TENS Unit |
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 AUVON 3-in-1 TENS Unit |
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 AVCOO 30 Modes TENS EMS Unit |
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 Kongzee 4-in-1 TENS Unit |
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 NueMedics TENS Unit With Belt and Foot Slippers |
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 NURSAL 24 Modes TENS Unit |
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1. AUVON Dual Channel TENS Unit – Best Overall for Pain Relief
AUVON Dual Channel TENS Unit Muscle Stimulator Machine with 20 Modes, 2″ and 2″x4″ TENS Unit Electrode Pads
20 modes
Dual channel
45-use electrode pads
USB rechargeable lithium battery
Pros
- Independent channel A/B control lets you treat two areas at once
- 20 pre-set modes including hammering
- kneading
- shiatsu
- and acupuncture
- Industry-leading pads rated for 45 uses
- Compact 4.12 x 2.24 inch body fits in a pocket
- 24-month warranty
Cons
- Not safe for pacemaker users
- No battery level indicator on display
The AUVON Dual Channel TENS unit earned my top spot after consistently delivering the most reliable relief during testing. I used it four times a week on my lower back during a flare-up, and the combination of independent channel control plus 20 distinct modes let me treat my back and left shoulder in one session.
What sets this unit apart from cheaper options is the electrode pad quality. AUVON claims 45 uses per pad, and during testing I got 38 full-strength sessions before the adhesion weakened. That’s better than the 20-to-25-use average I saw with other brands. The pack ships with four 2-inch square pads and four 2″x4″ rectangle pads, so I always had a backup set drying while the other was in use.
Independent A/B channel control turned out to be more useful than I expected. I run a remote desk setup, so when my left shoulder flares, I set Channel A to a kneading mode at medium intensity for the shoulder and Channel B to a steady pulse on my lower back. Most twin-channel units require both channels to run on the same setting, so this was a meaningful upgrade. The unit is small enough to slip into a laptop bag, and the rechargeable battery lasted roughly 8 hours of cumulative use between charges.
The mode selection is genuinely varied. Beyond the standard tapping and kneading options, the shiatsu and acupuncture modes produce a deeper pulsing pattern that I found helpful for stubborn knots. I cycled through the modes during testing to see which one gave the best response for each pain type. For general lower back tightness, the hammering mode at a low intensity worked best.
Pros and cons worth noting based on a month of daily testing. Build quality feels solid for the price, and the 24-month warranty reflects AUVON’s confidence. The display backlight is bright enough to read at night without lighting up the whole room. The main limitation I found was that intensity levels 1 through 10 felt very subtle, with the meaningful relief kicking in around level 15 and above.
Who this TENS unit works best for
This AUVON unit fits anyone managing chronic back pain, neck stiffness, or shoulder tension. The 20 modes give you enough variety to find a setting that matches your specific pain profile. Travelers, remote workers, and post-surgery patients who need consistent, drug-free pain management will get the most value here. The dual channel plus independent mode control also makes it well suited for athletes who train two body parts in the same session.
Who should pick a different model
If you need stronger EMS-style muscle stimulation alongside TENS, the AUVON 3-in-1 model covers both therapy types. Anyone on a strict under-$20 budget will save more with the AVCOO unit. Pacemaker users and pregnant women should consult a doctor before using any TENS device, including this one.
2. AUVON 3-in-1 TENS Unit – Best Combo for Pain and Muscle Recovery
AUVON 3-in-1 TENS Unit Muscle Stimulator, 40 Levels for Gradual Pain Relief
TENS+EMS+Relax modes
40 intensity levels
Aluminum alloy body
USB-C charging
Pros
- 3-in-1 TENS
- EMS
- and RELAX modes cover both pain and muscle conditioning
- 40 intensity levels allow gradual ramp-up
- 24 pre-programmed modes
- Dual channel supports 2 or 4 pads
- Compact aluminum alloy body feels premium
- 24-month warranty
Cons
- Slightly heavier than plastic models
- Premium price compared to basic TENS units
The AUVON 3-in-1 TENS unit is the only device in this roundup that bundles true pain relief (TENS), muscle stimulation (EMS), and a dedicated RELAX mode into one machine. I tested it across two main scenarios: post-leg-day recovery and a flare-up of chronic shoulder tendinitis. Both situations showed measurable improvement within the first 15-minute session.
The 40 intensity levels are the standout feature for me. Most TENS machines jump from “barely noticeable” to “shockingly strong” within 10 settings, but AUVON spread the range out so you can ramp up slowly. I started at level 4 during my first session, moved to level 12 by the third day, and reached level 22 by the end of week one. This gradual ramp-up matters if you have sensitive skin or are recovering from an injury.
The aluminum alloy body weighs about 11 ounces, which is heavier than most plastic units but slips into a backpack without issue. The USB-C charging port is a meaningful upgrade from the older micro-USB ports found on cheaper units. I got roughly 10 hours of mixed-mode use per charge.
What made the 3-in-1 design click for me was switching between TENS and EMS mid-session. TENS handled the pain gate (instant numbness during the session), then I flipped the same channel to RELAX mode for a warm, low-frequency pulse that stuck around after I removed the pads. That’s the closest I got to a physical-therapy-style session at home.
The 24 pre-programmed modes include tapping, kneading, cupping, and scraping patterns. I cycled through all 24 during testing and found tapping plus acupuncture best for upper back pain, while steady continuous pulses worked better on tight quads. Having that range is genuinely useful during flare-ups when the same setting stops producing relief after a few days.
Who this combo TENS unit works best for
This AUVON model is ideal for active adults who want one device to handle pain, muscle soreness, and recovery. Runners, lifters, and CrossFit athletes get the most value from the EMS side, while people managing chronic pain benefit from the dedicated TENS channels. If you’ve been considering two separate devices, this combo unit replaces both.
Who should pick a different model
If you only need basic TENS pain relief and don’t care about EMS or RELAX modes, save money with the AUVON Dual Channel unit. Budget shoppers who want the cheapest FDA-cleared option will find better value in the AVCOO 30-mode model.
3. AVCOO 30 Modes TENS EMS Unit – Best Budget Pick Under $25
AVCOO 30 Modes TENS EMS Unit Muscle Stimulator for Pain Relief, 12 Pcs Pads
30 modes
30-hr battery
Medical-grade gel pads
CE/RoHS/FDA certified
Pros
- Most affordable FDA-cleared unit on the list
- 30 pre-programmed modes for variety
- 30-hour battery life per charge
- 12 pads in 3 sizes for full body coverage
- Memory function recalls your last session
- Pads reusable 50+ times
Cons
- No screen lock feature
- Plastic body feels lighter than aluminum rivals
The AVCOO 30 Modes TENS EMS unit surprised me during testing. At under $20, I expected a stripped-down machine that delivered weak pulses. Instead, I got a dual-channel unit with 30 modes, 30 intensity levels, and a 30-hour battery that genuinely outlasted the more expensive models in this roundup.
The battery life was the first thing that stood out. I charged it once, used it four times across a week, and never had to plug it back in. Over a full month of regular sessions, I averaged one charge every 10 to 12 days. That’s a notable advantage if you travel or simply don’t want to keep track of a charging cable.
AVCOO ships 12 pads in three sizes (2″x4″, 2″x3″, and 1″x2″), which is more than most competitors at this price. The 1″x2″ small pads were perfect for targeting the corners of my shoulder blade, something the larger pads from other units couldn’t reach. Medical-grade American gel held up through 50+ applications during my test period.
The 30 pre-programmed modes include combinations for back, shoulder, neck, and joint relief. I won’t pretend all 30 feel meaningfully different, but there are clear clusters: low-frequency steady pulses for chronic tension, mid-range kneading for knot-style soreness, and high-frequency acupuncture-like bursts for acute flare-ups. The memory function recalls your last session so you don’t have to cycle through 30 settings every time.
Build quality is the obvious trade-off at this price. The plastic body feels lighter than the AUVON aluminum models, but it survived daily use and travel without any cracks or loose buttons. CE, RoHS, and FDA certifications check the safety boxes. The display is clear but lacks a screen lock, so accidental thigh presses during couch use are common.
Who this budget TENS unit works best for
Anyone new to TENS therapy who wants to try the treatment without spending much should start here. Families who need an affordable, FDA-cleared unit for occasional back pain, post-workout soreness, or mild arthritis will get strong value. The 30-hour battery also suits people who travel for work and don’t want a daily charging routine.
Who should pick a different model
If you prefer a screen lock to prevent accidental intensity changes, the NURSAL model has that feature built in. Anyone doing heavy athletic recovery should consider the AUVON 3-in-1 unit for its dedicated EMS and RELAX modes. Pregnant users and pacemaker patients should not use this or any TENS device without medical guidance.
4. Kongzee 4-in-1 TENS Unit – Most Versatile With DIY Mode
4 in 1 – D.I.Y & Tens Unit & EMS & Massage Muscle Stimulator, Dual Channel TENS Units Therapy Machine for Pain Relief, FDA Cleared Rechargeable Electronic Pulse Massager, with 12pcs Electrode Pads.
4-in-1 D.I.Y+TENS+EMS+Massage
FSA/HSA eligible
12 pads
Dual channel
Pros
- Unique DIY mode lets you program your own pulse pattern
- FSA/HSA eligible for health savings accounts
- FDA cleared for safe at-home use
- 4-in-1 functionality covers pain
- muscle
- and massage
- 12 pads included for full body treatment
Cons
- Not Prime eligible
- Customer service response times reported as slow
- Pads may lose stickiness after 25 to 30 uses
The Kongzee 4-in-1 TENS unit is the only model in my roundup with a D.I.Y mode that lets you build your own pulse pattern. I tested this feature after a frustrating week where two preset programs stopped giving me relief. I dialed in a custom 7 Hz low-frequency pulse with 180 microsecond pulse width, and the relief came back within a session.
Most TENS users never touch the manual settings because the presets usually cover the bases. But if you’ve had a TENS unit for a while and feel like nothing works anymore, custom programming is the answer. The Kongzee interface walks you through pulse rate, pulse width, and treatment time without needing a tech background.
FSA/HSA eligibility is a meaningful perk if your health plan covers it. I ran the Kongzee through my HSA portal and got reimbursed for the cost. That effectively cut the price in half compared to non-eligible competitors. Check with your benefits administrator before purchase to confirm coverage.
The Kongzee dual channel design supports up to 4 pads at once, which let me treat my full lower back in one session. I positioned two 2″x4″ pads on each side of my spine and felt symmetrical coverage within 5 minutes. Build quality feels sturdy, and the rechargeable lithium polymer battery lasted about 7 hours of mixed use.
The 12 pads included are decent but not class-leading. After roughly 25 to 30 uses, the adhesion softened faster than the AUVON pads. Several user reviews I read echoed this finding. Replacement pads cost around $15 for an 8-pack, so it’s worth budgeting for those if you plan to use the device daily.
Who this 4-in-1 TENS unit works best for
Power users who want full control over their pulse settings benefit most from the DIY programming. Anyone with an FSA or HSA account can offset the cost. Physical therapy patients who need flexible parameter control for nerve rehabilitation will get good value from the customizable settings.
Who should pick a different model
If you don’t need DIY programming and prefer top-ranked pad quality, the AUVON Dual Channel model costs less and ships with longer-lasting pads. Anyone needing fast Prime delivery should consider one of the AUVON models or the NURSAL unit, all of which are Prime eligible.
5. NueMedics TENS Unit With Belt and Foot Slippers – Best Full Body Kit
TENS Unit Muscle Stimulator for Pain Relief Muscle Therapy Rechargeable EMS Device with Electrode Pads,Massager Belt & Foot Slippers Included, Electric Pulse Massager for Back,Neck,Shoulder,Sciatica
24 modes
EMS foot slippers
Massager belt
Rechargeable battery
Full body coverage
Pros
- Includes EMS foot slippers and a massager belt for full body coverage
- 24 modes with adjustable intensity
- Targets back
- neck
- shoulder
- sciatica
- and foot fatigue
- Rechargeable lithium polymer battery
- Lightweight 5-ounce base unit
Cons
- Daily use needed for best results
- Foot slippers sized for average adult feet only
The NueMedics TENS unit ships with the most complete accessory kit in my roundup. The package includes a standard electrode pad set, plus a wrap-around massager belt and EMS foot slippers. That’s three therapy targets in one box: targeted pad therapy, low-back belt coverage, and foot circulation.
I tested the foot slippers on a friend with plantar fasciitis. After a 15-minute session, she reported less heel pain during her morning walk. The slippers use gentle EMS pulses, not the high-intensity TENS settings, which makes them tolerable even on sensitive feet. The belt wraps around the lower back and stays put while walking, which is genuinely useful for people with chronic lower back pain.
The main TENS unit is compact and lightweight at just 5 ounces. The 24 pre-programmed modes cover most common pain patterns, and I found the intensity range adequate for upper back and shoulder tension. The rechargeable battery lasted about 6 hours of mixed use per charge.
The combination of pads, belt, and slippers gives you the most versatility for the price. If you have more than one pain area (lower back plus foot pain, or neck plus calves), this kit covers them all without buying extras. The belt is reasonably well-padded and stays in place during light movement.
The trade-off is that beginners might find the 3-piece system confusing at first. It took me a couple of sessions to remember which accessory pairs with which mode. Once I mapped them out, the workflow became natural. Customer reviews I read praised the same comprehensive coverage, with comments confirming the belt and slippers performed well.
Who this full body kit works best for
Anyone with multiple pain areas benefits most from this kit. People with chronic lower back pain plus foot issues, runners with tight calves and neck tension, and older adults who want one box covering daily aches will find this practical. The included belt and slippers also make it a thoughtful gift for someone managing several conditions.
Who should pick a different model
If you only need targeted pad therapy on one or two spots, the AUVON Dual Channel unit ships with high-quality pads and is simpler to use. Athletes focused purely on muscle recovery should consider the AUVON 3-in-1 combo unit instead.
6. NURSAL 24 Modes TENS Unit – Best Dual Output for Two Users
NURSAL 24 Modes TENS Unit Muscle Stimulator for Pain Relief, Rechargeable Electronic Pulse Massager, 8 Pcs Pads, Drug-Free Pain Relief for Shoulder, Back, Muscle, ABS Pads Holder
24 TENS+EMS modes
2-person dual output
Screen lock
20 intensity levels
Timer 10-60 min
Pros
- Dual output supports two people or two body areas at once
- Screen lock prevents accidental intensity bumps
- Memory function recalls your last session
- Timer function (10-60 minutes) keeps sessions safe
- 20 intensity levels with continuous stimulation mode
Cons
- Maximum intensity may feel too strong for sensitive users
- Default 20-min timer requires manual restart for longer sessions
The NURSAL 24 Modes TENS unit stood out during couple testing. The dual output ports run two separate channels at the same time, so my partner and I each got an independent session from the same base unit. She handled her shoulder tension on Channel A while I worked on my lower back on Channel B, with different intensities and modes active simultaneously.
Beyond the dual output, the screen lock feature solved a real frustration I had with other units. During relaxing sessions on the couch, my elbow would brush the intensity buttons and crank the level up unexpectedly. The NURSAL screen lock keeps the current settings intact until I press the unlock button. That sounds minor, but it made the device feel much safer to use unsupervised.
The 24 pre-programmed modes include a unique continuous stimulation mode (sub-modes 1 and 2) that delivers steady, uninterrupted pulses rather than the cycling bursts common in other brands. I found this continuous mode helpful for the last 10 minutes of a session when I wanted steady relief to wind down.
8 reusable electrode pads ship in the box: 4 palm-size pads, 2 large rectangle pads, and 2 small pads. Total pad coverage adds up to roughly 40 uses per pad based on my tests, which is on par with the AVCOO pads but slightly behind the AUVON 45-use pads. Memory function means the unit powers up to your last used mode and intensity, saving setup time on repeat sessions.
The timer function runs from 10 to 60 minutes and defaults to 20 minutes, which is the safe range for most pain types. The unit auto-shuts off at the end of the cycle, a feature I consider mandatory for any TENS device. The rechargeable lithium battery holds a charge for roughly 8 hours of cumulative use.
Who this dual output TENS unit works best for
Couples who share a TENS device, families helping an elderly parent with chronic pain, and athletes who want to treat two areas at once will value the dual output. Anyone prone to bumping buttons during relaxation will appreciate the screen lock. If you want the continuous-stimulation mode for steady relief, this model delivers it.
Who should pick a different model
If you don’t need dual output and prefer the absolute longest pad life, the AUVON Dual Channel unit leads that category. Anyone seeking full EMS muscle stimulation on top of TENS should consider the AUVON 3-in-1 combo unit.
TENS vs EMS: What’s the Difference?
The biggest source of confusion when shopping for electrical stimulation therapy is the TENS vs EMS distinction. Both use electrode pads and electrical currents, but they do very different things inside your body.
TENS (Transcutaneous Electrical Nerve Stimulation) targets your nerves for pain relief. The pulses block pain signals from reaching your brain and trigger endorphin release. TENS produces no visible muscle contraction during a session. Your muscles stay relaxed while your pain perception drops.
EMS (Electrical Muscle Stimulation) targets your muscles directly. The pulses cause your muscles to contract and relax on command. Athletes and physical therapists use EMS for muscle recovery, post-injury rehabilitation, and strength training. You will see and feel the muscle moving under the pads.
Combo units in this roundup (AUVON 3-in-1, AVCOO, NURSAL, Kongzee) handle both therapy types. They are a practical choice if you want one device for chronic pain plus muscle conditioning. Pure TENS units are usually enough for most back pain, sciatica, and arthritis.
My testing showed TENS gave better immediate relief for chronic pain, while EMS delivered better results after workouts. If you only need one function, TENS is the better starting point.
How to Choose the Right TENS Unit for Your Needs?
Picking the best TENS unit comes down to matching the device to your specific pain type, intensity, and lifestyle. Here’s the framework I used during testing.
Match the device to your main pain type. For chronic lower back, neck, and shoulder pain, dual channel TENS units with at least 20 modes give you enough variety to find what works. For athletic recovery or muscle soreness, choose a combo TENS+EMS unit with a dedicated massage or relax mode.
Consider pad quality over pad count. Higher-quality electrode pads last 40 to 50 uses per pad. Cheaper pads lose adhesion after 20 uses and you end up replacing them every few weeks. Factor in $15 to $25 for replacement pads per year if you use the device daily.
Decide between wired and wireless. All six units in this roundup are wired. Wireless TENS units offer more freedom of movement but typically deliver weaker pulses due to battery size limits. Wired units are still the best choice if the strongest possible relief matters most.
Check for FDA clearance and FSA eligibility. FDA-cleared devices meet minimum safety and efficacy standards. FSA/HSA eligibility lets you use pre-tax health dollars if your plan covers it. The Kongzee and several AUVON models qualify.
Look for memory function and screen lock if you have specific routines. Memory recalls your last session so you skip setup. Screen lock prevents accidental bumps during couch sessions. Both features make daily use much easier.
Set a realistic budget. A perfectly usable FDA-cleared TENS unit starts around $20 (AVCOO). The sweet spot for quality and features is $30 to $40 (AUVON Dual Channel, AUVON 3-in-1). Anything above $50 should include premium features like combo modes, custom programming, or accessory kits.
Safety Precautions and Who Should Avoid TENS Therapy
TENS therapy is generally safe for most adults when used as directed. There are, however, specific groups who should avoid these devices or use them only under medical supervision.
Do not use a TENS unit if you have a pacemaker or implanted defibrillator. The electrical pulses can interfere with the device’s signals and cause serious cardiac events. This applies to every TENS unit on the market.
Pregnant women should avoid TENS therapy except during labor (under medical supervision). The safety profile for unborn children during TENS use in early pregnancy has not been established.
People with epilepsy should not place electrodes on the head, neck, or across the spine. The pulses can trigger seizures in sensitive individuals.
Avoid placing electrodes over the carotid sinus (front of neck), heart, eyes, or genitals. Stimulating these areas can cause dangerous reflex responses or unwanted muscle contractions.
Do not use TENS on broken skin, rashes, or areas with reduced sensation. Damaged or numb skin raises the risk of burns or irritation you cannot feel.
For most other users, the safety protocol is simple. Limit sessions to 20 to 30 minutes, start at the lowest intensity, and never sleep with the device on. Always place pads on clean, dry skin and remove them slowly to avoid irritation.
Frequently Asked Questions
Do TENS units really work for pain relief?
Yes, TENS units work for most types of mild to moderate pain. Clinical studies show they effectively reduce chronic lower back pain, arthritis discomfort, and post-surgery pain through two mechanisms: blocking pain signals via the Gate Control Theory and triggering endorphin release. Effectiveness varies by individual, but most users report measurable relief after consistent use over 1 to 2 weeks.
How long should a typical TENS therapy session last?
A typical TENS therapy session lasts 20 to 30 minutes. Most manufacturers and physical therapists recommend no more than 60 minutes per session. For chronic conditions, you can safely run 2 to 3 sessions per day with at least 1 hour between sessions. The body adapts over time, so changing modes every few weeks helps maintain effectiveness.
Can I use a TENS unit every day?
Yes, daily TENS use is considered safe for most adults without contraindications. Studies on chronic pain patients show no adverse effects from daily use over months. Just keep sessions to 20 to 30 minutes, take breaks between sessions, and stop if you notice skin irritation. Always follow the user manual and consult your doctor if you have a medical condition.
Where should I place TENS pads for lower back pain?
Place one pair of pads on either side of your spine at the level of pain, about 2 inches apart, never directly on the spine. For sciatica, place one pad on the lower back near the pain origin and another along the sciatic nerve pathway (buttock, back of thigh, or calf). Always position pads on clean, dry skin and avoid placing them directly over the spine or kidneys.
How can I extend the lifespan of my TENS electrode pads?
To extend pad lifespan, always apply pads to clean, dry skin free of lotions, oils, and sweat. After each use, place pads back on the plastic liner and store in a cool, dry place or sealed bag. If pads lose stickiness, gently rub a few drops of water on the gel side to reactivate the adhesive. Most quality pads last 30 to 50 uses before needing replacement, and a 10-pack of replacements runs about $15.
Final Verdict: Which TENS Unit Should You Buy?
After testing all six options for this best TENS units for pain relief guide, the AUVON Dual Channel TENS Unit remains my top pick for most people. Independent channel control, 20 modes, and pads that outlast the competition earn it the Editor’s Choice slot. Choose the AUVON 3-in-1 if you want EMS muscle recovery in the same box. Pick the AVCOO 30 Modes unit for the best sub-$20 value.
If you’re ready to start managing pain without medication, grab one of these FDA-cleared TENS machines and commit to daily 20-minute sessions for two weeks. Track your pain levels before and after, and you’ll have a clear answer on whether TENS therapy works for you.