What works, what doesn't: every verdict on one page.
This page collects the 185 claim verdicts from 24 evidence-checked journal articles into a single reference. Every verdict is quoted verbatim from its article, and every claim links back to the full piece and the research it cites. It rebuilds automatically whenever an article is added or updated. You are free to cite any verdict here with a link to this page or to the source article.
Supported by evidence (30)
Claims where the research, on balance, backs the effect as described in the linked article.
| Claim | Verdict | Source |
|---|---|---|
| Helps osteoarthritis pain and function | Supported by meta-analysis, with clinical devices | Do PEMF mats work? What the evidence actually shows |
| Aids non-union fracture healing | FDA-approved, prescribed, specific devices | Do PEMF mats work? What the evidence actually shows |
| Adjunct in spinal fusion | FDA-approved for that use | Do PEMF mats work? What the evidence actually shows |
| Standing burns more calories than sitting | True per hour, negligible per day | Do standing desks actually work? The honest answer |
| Improves barrier function and surface hydration | Supported by a small controlled study | Does a sauna help your skin? What the research shows |
| Habituation blunts the response | Yes, with repeated exposure over time | Does a sauna or cold plunge lower cortisol? |
| Fluids and electrolytes | Helps thirst and mild dehydration | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Sleep disrupted by pain or muscular tension | Reasonable case | Does massage help you sleep? What the evidence supports |
| High stress, wound-up, hard to switch off | Reasonable case | Does massage help you sleep? What the evidence supports |
| Acute disruption: illness, hospital, major stressor | Best-supported case | Does massage help you sleep? What the evidence supports |
| The breathing, not the cold, drove that result | Supported by the mechanism measured | Does the Wim Hof Method actually work? The honest evidence |
| It improves cold tolerance | Yes, and unsurprising with practice | Does the Wim Hof Method actually work? The honest evidence |
| Same association with family doctor visits | Yes, comparable magnitude | Is neck manipulation safe? What the stroke evidence says |
| CBT for hot flushes | Best-supported nonhormonal approach | Menopause and wellness: what actually helps |
| Clinical hypnosis | Well supported in the review | Menopause and wellness: what actually helps |
| Strength training | Strong for bone, muscle, mood, sleep | Menopause and wellness: what actually helps |
| Reduces stress, feels relaxing | Strong and consistent | Sauna benefits: what the science actually says |
| The vagus nerve is the main parasympathetic pathway | True | The vagus nerve: what's actually real, and what isn't |
| Most of its fibres carry signals body to brain | True | The vagus nerve: what's actually real, and what isn't |
| Implanted stimulation treats epilepsy and some depression | True, and it is surgery | The vagus nerve: what's actually real, and what isn't |
| HRV partly reflects cardiac vagal activity | True, with heavy caveats | The vagus nerve: what's actually real, and what isn't |
| Slow breathing acutely raises HRV | Well established | The vagus nerve: what's actually real, and what isn't |
| Walking outdoors | Strong for mood, cardiovascular, stress | The wellness that costs nothing, ranked honestly |
| Strength training | Strong for muscle, bone, mood, sleep | The wellness that costs nothing, ranked honestly |
| Slow breathing | Well supported acutely | The wellness that costs nothing, ranked honestly |
| Social contact | Strong population-level evidence | The wellness that costs nothing, ranked honestly |
| Yoga / Pilates | Reasonable for back and general function | Wellness for desk workers: what helps a stiff neck and shoulders |
| Flexibility and mobility | Strong | Yoga benefits: what the science actually says |
| Strength and balance | Strong | Yoga benefits: what the science actually says |
| Stress and anxiety | Strong to moderate | Yoga benefits: what the science actually says |
Mixed or limited evidence (92)
Claims where the evidence is partial, conditional, or depends heavily on your situation.
| Claim | Verdict | Source |
|---|---|---|
| Late fall through spring | The prime window, book ahead | Best wellness retreats in Florida and the Keys for 2026 |
| Early summer | Doable with an indoor-heavy program | Best wellness retreats in Florida and the Keys for 2026 |
| June through November | Check cancellation terms carefully | Best wellness retreats in Florida and the Keys for 2026 |
| Holiday weeks | Highest prices of the year | Best wellness retreats in Florida and the Keys for 2026 |
| Morning sauna after a heavy night | Usually OK | Can you drink alcohol in a sauna? The honest safety answer |
| A drink 20+ minutes after, rehydrated | Fine for most | Can you drink alcohol in a sauna? The honest safety answer |
| Any of the above with a heart condition | Ask a doctor | Can you drink alcohol in a sauna? The honest safety answer |
| Fully healed surface, no scabs | Fine for all of it | Can you use a sauna with a tattoo? New ink and old |
| Large or heavily shaded piece | Wait longer; healing takes longer | Can you use a sauna with a tattoo? New ink and old |
| Fresh tattoo and a booked spa day | Reschedule, or keep to dry areas only | Can you use a sauna with a tattoo? New ink and old |
| Healed tattoo and a hammam scrub | Fine, though say so; scrubs are vigorous | Can you use a sauna with a tattoo? New ink and old |
| Any sun exposure, ever | This is what actually fades ink | Can you use a sauna with a tattoo? New ink and old |
| Feels intense, then warm, then relaxing | Consistently reported by users | Do acupressure mats actually work? The honest answer |
| Increases blood flow to the skin under it | Visible flushing, immediate | Do acupressure mats actually work? The honest answer |
| Helps you relax or wind down | Consistent with a relaxation response | Do acupressure mats actually work? The honest answer |
| Eases nonspecific back or neck tension | A few small trials, mixed, unblinded | Do acupressure mats actually work? The honest answer |
| Improves sleep | Small studies, inconsistent, unblindable | Do acupressure mats actually work? The honest answer |
| Treats or cures a medical condition | Nothing supports this | Do acupressure mats actually work? The honest answer |
| Low back pain | Mixed | Do PEMF mats work? What the evidence actually shows |
| Prolonged uninterrupted sitting is bad for you | Consistent in large observational studies | Do standing desks actually work? The honest answer |
| Changing position frequently helps | The most defensible claim here | Do standing desks actually work? The honest answer |
| Standing improves weight or metabolic markers | Small, short, inconsistent trials | Do standing desks actually work? The honest answer |
| Standing desks improve focus or productivity | Small, largely self-reported studies | Do standing desks actually work? The honest answer |
| Static standing has its own costs | Leg and foot discomfort, varicose veins | Do standing desks actually work? The honest answer |
| Balance and mobility in older adults | Several small trials and reviews point this way | Do vibration plates actually work? The honest answer |
| Bone density in postmenopausal women | Studied, results inconsistent across trials | Do vibration plates actually work? The honest answer |
| Increases circulation during a session | Consistent acute effect | Do vibration plates actually work? The honest answer |
| Short-term flexibility or range of motion | Commonly reported acute effect | Do vibration plates actually work? The honest answer |
| Reduces muscle soreness | Small and inconsistent findings | Do vibration plates actually work? The honest answer |
| "10 minutes equals an hour at the gym" | Nothing supports the equivalence | Do vibration plates actually work? The honest answer |
| Immediate glow | Real, temporary, and it is circulation | Does a sauna help your skin? What the research shows |
| Helps eczema | Mixed; heat and sweat often trigger flares | Does a sauna help your skin? What the research shows |
| Bad for rosacea | Heat is a well-recognised trigger | Does a sauna help your skin? What the research shows |
| Sauna lowers cortisol | It rises acutely; the session is a thermal stressor | Does a sauna or cold plunge lower cortisol? |
| "Lowering cortisol" is a good goal | It is the wrong frame | Does a sauna or cold plunge lower cortisol? |
| Eases muscle tension and stiffness | Warm immersion reliably relaxes muscle and improves mobility | Does an Epsom salt bath do anything? |
| Helps you fall asleep | Warm bathing before bed improves sleep onset and quality | Does an Epsom salt bath do anything? |
| Flushes lactic acid | Lactate clears on its own well before the bath | Does an Epsom salt bath do anything? |
| Feels pleasant, softens the water | Consistent with reports, mild and cosmetic | Does an Epsom salt bath do anything? |
| Painkillers | Symptom relief only | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Time and sleep | The only thing that resolves it | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Cold plunge reduces inflammation | Acute post-exercise markers; may blunt training adaptation | Does anything you can book actually reduce inflammation? |
| Massage reduces inflammation | Soreness and perceived fatigue, which is a different outcome | Does anything you can book actually reduce inflammation? |
| Compression reduces inflammation | Swelling and soreness, short-term | Does anything you can book actually reduce inflammation? |
| Anti-inflammatory supplement stacks | Rarely measured in humans at realistic doses | Does anything you can book actually reduce inflammation? |
| Sauna and chronic markers | Some cohort association, confounded by who saunas | Does anything you can book actually reduce inflammation? |
| Classic chronic insomnia, mind racing | Weak; CBT-I is the treatment | Does massage help you sleep? What the evidence supports |
| It clears lactic acid | Lactate clears itself in 30 to 60 minutes | Does massage release toxins? The lactic acid myth, examined |
| Massage increases blood flow to the muscle | Measured directly: it reduced it | Does massage release toxins? The lactic acid myth, examined |
| Soreness after means it worked | Soreness after means mechanical load, nothing more | Does massage release toxins? The lactic acid myth, examined |
| Trained people can blunt an induced inflammatory response | Demonstrated in one small controlled study | Does the Wim Hof Method actually work? The honest evidence |
| Association between neck manipulation and stroke | Present in crude data | Is neck manipulation safe? What the stroke evidence says |
| Most likely explanation | People already dissecting seek care for neck pain | Is neck manipulation safe? What the stroke evidence says |
| Absolute rate | Very rare, roughly 1 in several hundred thousand to 1 in a million | Is neck manipulation safe? What the stroke evidence says |
| Effectiveness for neck pain | Modest short-term benefit, similar to other manual therapy | Is neck manipulation safe? What the stroke evidence says |
| Reasonable conclusion | Low risk, modest benefit, alternatives exist | Is neck manipulation safe? What the stroke evidence says |
| Yoga, mindfulness | Helpful for sleep and stress; weaker for flushes specifically | Menopause and wellness: what actually helps |
| Hormone therapy | Substantial evidence; a medical conversation | Menopause and wellness: what actually helps |
| Exercise and strength work | First-line in every major guideline | Osteoarthritis: what actually helps, and where wellness fits |
| Tai chi | Comparable to physical therapy in a randomized trial | Osteoarthritis: what actually helps, and where wellness fits |
| Aquatic exercise, hot springs | Small, short-term benefits | Osteoarthritis: what actually helps, and where wellness fits |
| Heat, sauna, paraffin | A few small trials, comfort-level in guidelines | Osteoarthritis: what actually helps, and where wellness fits |
| Cold | The same thin evidence as heat | Osteoarthritis: what actually helps, and where wellness fits |
| Massage | Less pain while sessions continue | Osteoarthritis: what actually helps, and where wellness fits |
| Joint repair, regeneration, detox | Nothing comparable to exercise | Osteoarthritis: what actually helps, and where wellness fits |
| Linked to better cardiovascular outcomes | Good, but observational | Sauna benefits: what the science actually says |
| Muscles feel looser, recovery feels easier | Well reported, mechanism plausible | Sauna benefits: what the science actually says |
| Helps with sleep | Plausible and commonly reported | Sauna benefits: what the science actually says |
| Improves mood | Suggestive, limited | Sauna benefits: what the science actually says |
| "Vagal tone" explains most wellness benefits | Marketing shorthand | The vagus nerve: what's actually real, and what isn't |
| Sleep | Strongest of anything here | The wellness that costs nothing, ranked honestly |
| Cold showers | Modest; one large self-report trial | The wellness that costs nothing, ranked honestly |
| Sun exposure in the morning | Good for circadian timing | The wellness that costs nothing, ranked honestly |
| Naps | Real and underrated | The wellness that costs nothing, ranked honestly |
| Breaking up sitting + daily activity | Strongest | Wellness for desk workers: what helps a stiff neck and shoulders |
| Strength work for neck/upper back | Good for persistent office neck pain | Wellness for desk workers: what helps a stiff neck and shoulders |
| Massage | Good short-term for tension and soreness | Wellness for desk workers: what helps a stiff neck and shoulders |
| Heat (sauna, hot shower, pack) | Symptomatic | Wellness for desk workers: what helps a stiff neck and shoulders |
| Stretching alone | Weak as a fix | Wellness for desk workers: what helps a stiff neck and shoulders |
| Posture devices and correctors | Poor | Wellness for desk workers: what helps a stiff neck and shoulders |
| Compression boots | Modest benefit for perceived fatigue and soreness | What is a recovery lounge? The multi-modality studio, explained |
| Infrared cabin | Milder heat, thinner evidence than a hot sauna | What is a recovery lounge? The multi-modality studio, explained |
| Traditional sauna | The best-evidenced heat option | What is a recovery lounge? The multi-modality studio, explained |
| Cold tub | Good for soreness; blunts strength adaptation | What is a recovery lounge? The multi-modality studio, explained |
| Percussion / massage gun | Short-term range and soreness | What is a recovery lounge? The multi-modality studio, explained |
| Vibration plate | Weak for the marketed claims | What is a recovery lounge? The multi-modality studio, explained |
| Red light panel | Real in specific uses; consumer doses differ | What is a recovery lounge? The multi-modality studio, explained |
| Normatec-style arms | Same logic as boots, less studied | What is a recovery lounge? The multi-modality studio, explained |
| Chronic low back pain | Moderate | Yoga benefits: what the science actually says |
| Mood and wellbeing | Moderate | Yoga benefits: what the science actually says |
| Detox and organ cleansing | None | Yoga benefits: what the science actually says |
| Curing disease or boosting immunity | Weak to none | Yoga benefits: what the science actually says |
Not supported by evidence (63)
Claims the research does not back, plus things our articles say to avoid outright.
| Claim | Verdict | Source |
|---|---|---|
| Drinking in the sauna | Avoid | Can you drink alcohol in a sauna? The honest safety answer |
| Sauna while still tipsy | Avoid | Can you drink alcohol in a sauna? The honest safety answer |
| Cold plunge after drinking | Avoid | Can you drink alcohol in a sauna? The honest safety answer |
| Tattoo less than 2 weeks old | No sauna, steam, hot tub, plunge or pool | Can you use a sauna with a tattoo? New ink and old |
| 2 to 4 weeks, still flaking | Still wait; flaking means not healed | Can you use a sauna with a tattoo? New ink and old |
| Healed tattoo and daily sauna | No meaningful fading risk | Can you use a sauna with a tattoo? New ink and old |
| Works by stimulating acupressure points | Points are not selectively targeted | Do acupressure mats actually work? The honest answer |
| Releases toxins or drains lymph | No credible evidence | Do acupressure mats actually work? The honest answer |
| Improves sleep | Not established | Do PEMF mats work? What the evidence actually shows |
| Speeds athletic recovery | Not established | Do PEMF mats work? What the evidence actually shows |
| Boosts energy or "cellular function" | Not established | Do PEMF mats work? What the evidence actually shows |
| Reduces inflammation systemically | Not established | Do PEMF mats work? What the evidence actually shows |
| Consumer mats match trial devices | Usually not; parameters differ | Do PEMF mats work? What the evidence actually shows |
| Detoxes or realigns anything | No | Do PEMF mats work? What the evidence actually shows |
| Standing desks relieve or prevent back pain | Mixed findings, no reliable effect | Do standing desks actually work? The honest answer |
| Burns fat or causes weight loss | No meaningful support | Do vibration plates actually work? The honest answer |
| Replaces resistance training | Loads are not comparable | Do vibration plates actually work? The honest answer |
| Reduces cellulite, detoxifies, drains lymph | No credible evidence | Do vibration plates actually work? The honest answer |
| Sweats out toxins | No | Does a sauna help your skin? What the research shows |
| Clears acne | No evidence; can aggravate it | Does a sauna help your skin? What the research shows |
| Helps psoriasis | Some people improve, some worsen; not established | Does a sauna help your skin? What the research shows |
| Reduces wrinkles | No evidence | Does a sauna help your skin? What the research shows |
| Cold plunge lowers cortisol | Acute response goes up, not down | Does a sauna or cold plunge lower cortisol? |
| A rise means it is harmful | No, that is a normal stress response | Does a sauna or cold plunge lower cortisol? |
| A single cortisol reading is meaningful | No, the daily rhythm dominates | Does a sauna or cold plunge lower cortisol? |
| Saliva cortisol tests tell you your stress level | Not usefully, for the same reason | Does a sauna or cold plunge lower cortisol? |
| Eases sore muscles after exercise | Real short-term comfort, no sign it speeds repair | Does an Epsom salt bath do anything? |
| Raises magnesium through the skin | A few small, weakly designed studies, no replication | Does an Epsom salt bath do anything? |
| Draws out toxins | No plausible mechanism, no supporting evidence | Does an Epsom salt bath do anything? |
| Sauna or steam | No, and it adds fluid loss | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Cold plunge | No | Does anything actually cure a hangover? Sauna, cold and IV drips |
| IV vitamin drip | No good evidence | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Sweating it out | No | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Coffee | No | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Food | Not a cure | Does anything actually cure a hangover? Sauna, cold and IV drips |
| Infrared sauna reduces inflammation | Mostly symptomatic relief; chronic markers not established | Does anything you can book actually reduce inflammation? |
| Red light reduces inflammation | Some local effects in specific tissue; not systemic | Does anything you can book actually reduce inflammation? |
| Suspected sleep apnoea (snoring, gasping, daytime sleepiness) | No; get assessed | Does massage help you sleep? What the evidence supports |
| Restless legs, or a circadian problem | No; different mechanism | Does massage help you sleep? What the evidence supports |
| Massage flushes toxins out | No toxin exists; nothing to flush | Does massage release toxins? The lactic acid myth, examined |
| Lactic acid causes next-day soreness | No, that is muscle damage and inflammation | Does massage release toxins? The lactic acid myth, examined |
| You must drink water afterward or feel ill | Drink water because it is a good idea, not to flush anything | Does massage release toxins? The lactic acid myth, examined |
| Massage is therefore useless | No, it has real effects on soreness and perceived fatigue | Does massage release toxins? The lactic acid myth, examined |
| It prevents or cures infections | Not shown | Does the Wim Hof Method actually work? The honest evidence |
| It treats autoimmune conditions | Not shown | Does the Wim Hof Method actually work? The honest evidence |
| It is safe to do anywhere | No, see the water warning below | Does the Wim Hof Method actually work? The honest evidence |
| The breathing can cause fainting | Yes, this is expected, not a malfunction | Does the Wim Hof Method actually work? The honest evidence |
| Causation proven | No | Is neck manipulation safe? What the stroke evidence says |
| Causation ruled out | Also no | Is neck manipulation safe? What the stroke evidence says |
| Regular aerobic exercise | Good general evidence; not a flush treatment | Menopause and wellness: what actually helps |
| Cooling strategies, layers, room temperature | Practical, no downside | Menopause and wellness: what actually helps |
| Sauna | No trial evidence either way; personal experiment | Menopause and wellness: what actually helps |
| Cold plunge for flushes | No good evidence | Menopause and wellness: what actually helps |
| Most OTC botanical supplements | Not recommended in the review | Menopause and wellness: what actually helps |
| Clears toxins through sweat | Not supported | Sauna benefits: what the science actually says |
| Burns fat or drives weight loss | Not supported | Sauna benefits: what the science actually says |
| Treats or cures illness | Not supported | Sauna benefits: what the science actually says |
| Humming or gargling "tones the vagus" | Not established | The vagus nerve: what's actually real, and what isn't |
| Cold plunges durably improve vagal tone | Acute effects yes, durable no | The vagus nerve: what's actually real, and what isn't |
| Consumer ear-clip stimulators treat anxiety, gut issues, inflammation | Not established | The vagus nerve: what's actually real, and what isn't |
| Stretching and mobility | Good for range; not injury prevention | The wellness that costs nothing, ranked honestly |
| Ergonomic chair alone | Helps comfort, not a cure | Wellness for desk workers: what helps a stiff neck and shoulders |
| Stretch area | Fine; not a recovery intervention | What is a recovery lounge? The multi-modality studio, explained |
How the verdicts are made
Each verdict comes from the "at a glance" table of a journal article, where our editorial process weighs the published research behind a claim. The wording above is exactly what the article says, never a rewrite. To see how we decide what counts as evidence, read how we verify, and for the full set of research-backed pieces browse the wellness science section of the journal.