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15
Apr 2026
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Scientists identify hair loss regulator protein, could be reversible

The protein in question is known as TGF-beta, a signaling protein that regulates the division, growth and death of cells

“No convincing evidence” depression caused by low serotonin levels

Doctors have insisted antidepressants are effective and urged people not to stop taking their medication

Some of us are part-Neanderthal and it affects how medicines work on you

The gene variants are carried by 20% of present-day Europeans

Does pee really help jellyfish stings?

We asked a medical toxicologist and her answer surprised us

Tiny shapeshifting robots brush and floss your teeth, kill bacteria

Brushing and flossing every day can be annoying, and even people who stick to the routine can miss areas and wind up with trouble...

Drug cocktail makes stem cells that could grow organisms from scratch

Genesis

How old are you really? Meet your “biological age”

Biological age won’t help you live forever, but a ‘credit score for your body’ might prolong your lifespan, some scientists say

Cancer drug pulls surprising double duty to treat muscular dystrophy

Scientists have accidentally found that an existing cancer drug shows promise in slowing the progression of muscular dystrophy

In a pinch, you might be able to breathe through your…behind

Getting the oxygen needed for survival is achieved through various processes in the animal kingdom

F.D.A. approves Alopecia drug that restores hair growth in many patients

The drug, made by Eli Lilly, is already used for rheumatoid arthritis, and could be followed by two more drugs from other companies

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