Thyroid hormones increase the energy metabolism of the body in a process called 'thyroid thermogenesis'. Its molecular mechanism, however, has been elusive. Recent findings in rats suggest that it is ...

Chronic pain lasts longer for women than men, and new research suggests differences in hormone-regulated immune cells, called monocytes, may help explain why. In a new paper in Science Immunology , ...

A sweeping new study has uncovered a troubling mix of hazardous chemicals in popular hair extensions, including products made from human hair. Researchers detected dozens of substances linked to ...

GLP-1 weight loss drugs have quickly moved from medical journals to household conversations, reshaping how Americans think ...

These shampoos claim to slow hair-shedding. We asked the experts how much they help — and where they fall short.

Cortisol is a stress hormone that helps in the short term, but chronically high levels may raise chronic disease risk, weight gain, and sleep issues. To naturally lower cortisol levels, focus on sleep ...