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Health

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Health

Slow Breathing Made People Take More Risks, Not Fewer, in a Berlin Brain-Scan Study

Forty-one volunteers who breathed with a long exhale accepted riskier bets for money in an MRI scanner, and those whose heart rhythm responded most showed the strongest reward activity in the brain. A neat result, a small sample, a lesson about calm.

Sep 8, 2026/3 min read

A magnetic resonance imaging scanner in a hospital room, the kind of machine the volunteers lay in while making their choices

Health

Intermittent Fasting Works About as Well as Eating Less, Because in the Trials That Is What It Turned Out to Be

Three randomised trials put time-restricted eating against ordinary calorie control or against nothing. The eating window on its own did little. Combined with eating less, it did what eating less does. What that means for anyone considering it.

Sep 6, 2026/4 min read

A breakfast table laid with a boiled egg, orange juice and coffee. Early eating windows front-load the day's food to the morning

Health

Nobody Ever Found the Study Behind Eight Glasses of Water a Day, Because There Is Not One

A physiologist went looking for the origin of the rule in 2002 and came back empty. What the reference intakes actually say, why food and coffee count, how much the number varies between people, and when in a Gulf summer it genuinely matters.

Sep 6, 2026/4 min read

Water being poured from a bottle into a drinking glass held in the hand, at a kitchen worktop by a window

Health

Cold Showers and Ice Baths: A Dutch Trial Found Fewer Sick Days, a New Review Found Inflammation. Both Are Right

Three thousand Dutch adults who ended their showers cold took fewer sick days. A 2025 review of eleven trials found stress fell twelve hours after a plunge and inflammation rose. What is known, what is marketing, and why the first minute can kill.

Sep 6, 2026/4 min read

Winter swimmers in swimsuits on a wooden pier beside a hole cut in the sea ice at Turku, Finland, in low afternoon sun

Health

The Finnish Sauna Study Everyone Quotes Is Real, and It Is Weaker Than the Wellness Industry Wants It to Be

Men who used a sauna four to seven times a week had far fewer sudden cardiac deaths over twenty years than men who went once. That finding launched an industry. What the study can and cannot support, and who should be careful.

Sep 6, 2026/4 min read

The public smoke sauna at Kuusijärvi in Vantaa, Finland, its timber walls lit at night with snow on the ground and the forest behind

Health

Ten Thousand Steps Was a Marketing Number. The Evidence Says the Benefit Flattens Around Seven Thousand

Two large pooled analyses now agree: the drop in mortality with more walking is steep up to about seven thousand steps a day and shallow after that. What the studies found, what they could not show, and what to do with a phone that counts.

Sep 6, 2026/4 min read

People walking along a lit seafront promenade at dusk, slightly blurred by the long exposure, with the beach to the left

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