Trends & Research
Does skin cycling actually work?
The four night rotation has billions of TikTok views and real dermatology behind each ingredient, but nobody has ever tested the schedule itself.
Ages 18–24
Health, fitness, food and tech coverage for people aged 18 to 24: building habits that last while life is busy and budgets are tight.
Research & news
Trends & Research
Does urine therapy actually do anything?
Social media videos claim drinking your own urine returns lost nutrients to your body, but urologists and oncologists say the composition of urine, and the evidence behind the claim, say otherwise.
Trends & Research
Do ear seeds actually work?
Ear seeds are everywhere on TikTok for stress, sleep and pain, but the trials behind auricular acupressure are small, mixed and mostly low quality.
Industry & Business
Siggy raises $6 million for AI that checks on therapy patients daily
A New York startup founded by Nurx and Journey Clinical alumni wants a daily AI score to catch the symptom changes a quarterly doctor's visit misses.
Trends & Research
Does gua sha actually work, or is it just a nice face massage?
A board-certified dermatologist and a 2025 clinical trial agree gua sha changes something in your face, just not the thing the tutorials promise.
Trends & Research
Is cracking your back bad for you?
An occasional, natural pop looks harmless by most clinical accounts, but forcing it several times a day is where ligament strain and a short list of real contraindications actually live.
Food & diet
Nutrition & Supplements
Does coffee actually stunt your growth?
The warning traces back to a 1900s ad campaign for a coffee substitute, not to any study that ever found caffeine shortens how tall a child grows.
Nutrition & Supplements
Does biotin actually help hair growth?
Biotin is the top selling hair supplement in America, but the one placebo controlled trial that exists found it did nothing for people who are not deficient.
Nutrition & Supplements
Do electrolyte packets like LMNT and Liquid IV actually work?
Sports dietitians say the sodium in these packets genuinely matters, but mostly for people sweating hard for over an hour, not for a normal day of sipping water at a desk.
Nutrition & Supplements
Does protein powder damage your kidneys?
The honest answer for most healthy people is no, but the real research draws a sharp line between normal kidneys and existing kidney disease.
Nutrition & Supplements
How many grams of protein are in an egg?
A large egg carries about 6.3 grams, split almost evenly between white and yolk. Per gram the yolk is actually the richer of the two, which is the opposite of what most people assume.
Nutrition & Supplements
Is matcha healthier than coffee?
Matcha has less caffeine and a calming compound coffee lacks, but most of its boldest health claims borrow from green tea research, not matcha itself.
Habits & routines
Fitness & Performance
Does pickle juice really stop muscle cramps?
A small lab study backs the sideline ritual for stopping a cramp already underway, but the mechanism is not electrolytes and the evidence for prevention is basically nonexistent.
Mental Wellbeing & Sleep
Does cold water on your face stop a panic attack?
The mammalian dive reflex that cold water triggers is real and measurable, but the clinical trials on actual panic attacks show a smaller, messier effect than the viral version of this trick claims.
Fitness & Performance
Does training to failure actually build more muscle?
The biggest analysis yet on lifting to failure says the answer depends on whether you want bigger muscles or a heavier total, and those two goals want different answers.
Mental Wellbeing & Sleep
Does the 4-7-8 breathing technique actually work?
The viral count-and-exhale trick has real, if modest, science behind the broader idea of slow breathing, but almost none behind the exact ratio Dr. Andrew Weil made famous.
Mental Wellbeing & Sleep
Does the sleepy girl mocktail actually help you sleep?
TikTok's tart cherry juice and magnesium drink has real, modest science behind it, but sleep doctors say it's a mild assist, not the melatonin hit most fans think they're getting.
Mental Wellbeing & Sleep
Does visualizing success actually work?
Mental rehearsal has a real, measurable effect on performance, but it is smaller than the manifestation crowd claims and it can backfire if you skip the obstacles.