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Health

Meditation Has Adverse Effects, and the People Most Likely to Meet Them Are the Ones Told It Cannot Hurt

Contemplative practice has real benefits and a real adverse event literature that wellness culture has quietly declined to read. In a survey of 1,370 regular meditators, 22 percent reported particularly unpleasant experiences.

Sep 4, 2026/4 min read

A monk in maroon robes sitting alone in the shade of a tree on open grass, seen from a distance

Health

Ayurveda Deserves to Be Taken Seriously, Which Means Saying That One in Five Products Tested Contained Lead

A three thousand year old medical system with real insights about routine, diet and constitution also has a documented contamination problem. Two studies published in JAMA found heavy metals in about a fifth of the Ayurvedic products they tested.

Sep 4, 2026/4 min read

Sadananda vaidyasala, an Ayurvedic medicine shop at Kottarakkara in Kerala, its painted signboards in Malayalam above the entrance

Health

Six Breaths a Minute Is the Number, and It Is One of the Few Wellness Claims With Trials Behind It

Yogic breathing is unusual among wellness practices in having a measurable, replicated physiological effect. The size of it is modest, the mechanism is well understood, and a few of the more dramatic techniques carry real risk.

Sep 4, 2026/4 min read

Participants seated on the floor practising nadishodhana, alternate nostril breathing, at an International Day of Yoga event in Kolkata in 2017

Health

Bats Carry Viruses That Should Kill Them, and Science Just Found Another Piece of the Answer

More than 500 species of vesper bat turn out to carry two separate sets of antibody heavy chain genes, where every other known mammal has one. The researchers are careful to say this does not fully explain why bats tolerate viruses.

Sep 4, 2026/3 min read

A row of big brown bats, Eptesicus fuscus, roosting shoulder to shoulder against a stone wall. The species belongs to the vesper family covered by the study

Health

Chanting Calms People Down, and the Most Likely Reason Is Extremely Boring

Mantra recitation across several religious traditions converges on a slow, sustained, vocalised exhalation. That is also the single breathing pattern with the best evidence for shifting the autonomic nervous system.

Sep 4, 2026/3 min read

Japa mala, the strings of beads used to count repetitions of a mantra, hanging for sale at a shop in Varanasi

Health

Detox Is a Word That Describes Two Real Things and Almost Nothing Sold Under Its Name

Detoxification is a genuine medical process and a genuine biochemical one. Neither has anything to do with juice cleanses, foot pads or teas, and the marketing depends on never naming which toxin is being removed.

Sep 4, 2026/3 min read

A person holding a glass of green smoothie behind a table of cut fruit

Health

Yoga Nidra Is Not Sleep, and the Research on It Is Better Than the Research on Most Things Sold Beside It

A guided practice of lying still while systematically moving attention around the body. It has accumulated a real randomised trial literature for sleep, stress and anxiety, and a rebranded version has attracted claims that literature does not support.

Sep 4, 2026/3 min read

A group lying flat on their backs on mats in savasana during an outdoor session, which is the posture yoga nidra is practised in

Health

Yoga Works for Back Pain, Slightly, and Sends About Seventeen People per Hundred Thousand to Hospital

A Cochrane review of twenty-one trials found yoga probably better than no exercise for chronic low back pain, with small improvements. Emergency department data shows injury rates rising, most steeply among people over sixty-five.

Sep 4, 2026/3 min read

A large outdoor yoga class on a beach, participants spread across the sand following a teacher

Health

Turmeric Supplements Solved the Absorption Problem, and That Is Exactly Why They Damage Livers

Curcumin is barely absorbed, so manufacturers add piperine, which can raise bioavailability twentyfold. Liver injury reports have followed the formulations that work best, which is not a coincidence.

Sep 4, 2026/3 min read

Fresh turmeric rhizome, sliced to show the orange interior, beside a heap of the ground spice. The concern in this piece is with concentrated capsules rather than with the spice itself

Health

Ashwagandha Has Good Trial Data for Stress and a Growing File of Liver Injury Reports

The most popular Ayurvedic herb in the world looks reassuring in clinical trials and much less so in hepatology case series. A systematic review has identified thirty-seven cases of ashwagandha-associated liver injury.

Sep 4, 2026/3 min read

Dried ashwagandha roots, the part of Withania somnifera that is ground for supplements

Health

Oil Pulling and Tongue Scraping: One Has Modest Evidence, the Other Is Mostly Enthusiasm

Two Ayurvedic oral practices have gone mainstream on very different evidence bases. Neither replaces a toothbrush, and one of them has a Cochrane review that found two trials and forty people.

Sep 4, 2026/3 min read

A stainless steel tongue scraper, the curved blade drawn from the back of the tongue forwards