The trusty, locking butane torch is a potent, focussed heat source—reliable even in the wind. Some increasingly see it as a public health scourge.

In retrospect, I believe we were rude ...

A new peptide-based drug-delivery strategy may bring scientists closer to an oral form of insulin.

Debi Weiss went to the doctor's office with what she thought were worsening flu symptoms, but got a very different diagnosis

Metformin use in people with diabetes was linked to a significantly lower risk of developing intermediate age-related macular degeneration.

Study could lead to an effective new option to reduce the risk of heart attacks and strokes for millions who cannot control their cholesterol. A new experimental medication called enlicitide has shown powerful cholesterol-lowering effects in a large clinical …

Writer Zachary Bernstein describes entering the woman's world of breast cancer screening

A 1992 Journal of Medical Ethics paper argued happiness meets every diagnostic criterion for a psychiatric disorder — and it was satire.

These are the surprising spots you’re probably overlooking, along with how to freshen them up.

A new study suggests that an AI tool can analyze MRI brain scans and identify structural patterns associated with cognitive decline. Using this method, the machine learning model achieved 92.87% accuracy in distinguishing mild cognitive impairment or Alzheime…

A new study in mice indicates that bacteria from the gut can directly enter the brain, with potential implications for neurological health.

Collagen is everywhere—from coffee powders to skin care. Three dermatologists explain whether supplements and topical collagen actually work—and what to try instead.

Closing your eyes in noisy environments impairs hearing by causing the brain to "over-filter" sounds.

A new study suggests that suppressing a cellular enzyme long considered protective against fatty liver disease could have unexpected long-term consequences.

Leading medical groups have released new guidelines for managing cholesterol, calling for earlier screening, lower LDL targets, and several other major changes.

I’m 58 years old and tried walking 7,000 steps almost every day for two weeks. Here’s what happened to my body and mind.

A study suggests that only an hour of strength training a week can build muscle. Here's what to know—and how to craft your own muscle-boosting routine.

A public-private partnership will fund clinical trials of vaccines that could prevent cancer recurrence

Vague health issues like fatigue, stomach pain, and bloating often go away on their own, but can be early warning signs of cancer, said a doctor.

The American Cancer Society estimates that over 55,000 people will die from colorectal cancer in the U.S. this year. Of those, 7% will be under 50.

Travelers are encouraged to stay vigilant of a virus spreading around the world, including in parts of Europe.

New ways of diagnosing early-stage Alzheimer’s disease and lifestyle interventions are crucial to protecting brain health, a panel of experts has concluded.

The database of 200 million protein-structure predictions now includes homodimers, adding new biological relevance.

Study shows risks of serious heart problems increase as intake rises

If you get a high reading at the doctor's office, it may not be definitive. Here's what to know about your risk — and testing your blood pressure at home.