
Peptides promise longevity and healing. Does the science back them up?
The world of peptides has exploded in wellness circles, but the benefits of injecting these gray-market molecules rest on little clinical evidence

Peptides promise longevity and healing. Does the science back them up?
The world of peptides has exploded in wellness circles, but the benefits of injecting these gray-market molecules rest on little clinical evidence

Chronic pain is not just in your head, but it is in your brain
Author Rachel Zoffness breaks down why we have chronic pain and how science shows that it’s all in our head


Former deputy surgeon general Erica Schwartz nominated as new CDC chief
The White House has nominated Erica Schwartz to replace NIH director Jay Bhattacharya as CDC chief. Bhattacharya has been leading the CDC on an acting basis since February, after the public health agency’s director was fired in 2025

Congress grills RFK, Jr., about vaccines and cuts to health budget
The HHS secretary defended proposed budget cuts to science, his vaccine moves and health care costs on Capitol Hill on Thursday

Elizabeth Roboz Einstein was the determined genius behind a multiple sclerosis breakthrough
A Hungarian refugee who came to the U.S. with nothing but a diploma made a breakthrough discovery in the burgeoning field of neurochemistry

Effect of antiamyloid Alzheimer’s drugs ‘absent or trivial,’ Cochrane review finds
These drugs were hailed by proponents as breakthroughs in the fight to treat Alzheimer’s disease, but a new independent review finds they make “no meaningful difference”

The Trump administration is looking to experts to weigh in on peptides
Peptide-based substances are largely unproven and risky, experts say, but they’re gaining popularity among influencers and athletes—and the U.S. secretary of health

Older people have fewer seasonal allergies than young people. Here's why
Do declining immune systems explain the trend, or is something else going on? Experts explain

Adding the trendy supplement methylene blue to creatine may not help your body or brain
Creatine does help build muscle, but social media claims for methylene blue dye are way overblown

The hidden cause of heart disease is inflammation
Immune system overreactions may be the true culprit of cardiac illness—and lifesaving drugs can calm them down

Person functionally cured of HIV after bone marrow transplant from sibling
A man with HIV has gone into remission after receiving bone marrow from his brother, who has a rare mutation that prevents the function of receptors that HIV binds to

This method to reverse cellular aging is about to be tested in humans
A burgeoning field is launching its first clinical trial to find out whether dialing back cell development can safely refresh aged tissues and organs