Corticosterone interferes with signaling in the skin that normally activates hair follicle stem cells, possibly explaining the link between stress and hair loss.

Changes in blood levels of oxytocin and adrenocorticotropic hormone and patterns of neural activity predict how much money people will donate to a cause with high accuracy.

A combination of factors, from oxytocin release as an indicator of emotional investment to cortisol and other hormones that correlate with attention, can forecast what people will do after an experience.

The University of Texas Southwestern scientist studied the roles of glucagon and insulin in regulating blood glucose, leading to several successful treatments.

Independently produced knockout mouse strains fail to find evidence of the bone protein’s endocrine functions, and divide researchers’ opinions.

The plant geneticist has revolutionized researchers’ understanding of how light affects plant growth and development, and is engineering plants to combat climate change.

The Rockefeller University neuroendocrinologist made landmark discoveries on how hormones affect brain structure.

A device that releases synthetic hormones slowly over time could one day provide a more practical alternative to daily birth control pills, say scientists.

From 1969 to 1988, 25,000 infants were born early each year as a result of hot weather, and with global warming pushing temperatures higher, more babies will be at risk for early birth.

Watch soldier ants behave more like foragers after scientists change their gene expression.

A microneedle patch can subcutaneously deliver a contraceptive hormone to rats.

Researchers will inject a relaxin-like hormone into sea cucumbers to boost the animals’ numbers.

A brain-activated, bone-derived hormone called osteocalcin regulates the acute stress response in rodents and possibly humans.

Anti-doping agencies are tracking levels of various molecules in athletes’ blood and urine over time to increase their ability to detect drug misuse.

Such differences may help explain accidental pregnancies among women on the pill, researchers say.

They hope to develop the “exercise hormone” into therapeutics that harness the benefits of exercise for people unable to do so.

When researchers removed the reproductive organ, female rats had more difficulty solving a water maze.

The University of Illinois professor studied the role of estrogen in breast cancer.

The reproductive biologist uncovered hormones important for fertility cycles.