Scientists clock onto how sunlight puts a spring in our step
Scientists have discovered two "body clock" genes that reveal how seasonal changes in hormones are controlled and could ultimately help find treatments for seasonal affective disorder.
Prolonged space travel causes brain and eye abnormalities in astronauts
Magnetic resonance imaging (MRI) of the eyes and brains of 27 astronauts who have spent prolonged periods of time in space revealed optical abnormalities similar to those that can occur in intracranial hypertension of unknown ...
Human growth hormone: Not a life extender after all?
People profoundly deficient in human growth hormone (HGH) due to a genetic mutation appear to live just as long as people who make normal amounts of the hormone, a new study shows. The findings suggest that HGH may not be ...
Study links genetic variation to individual empathy, stress levels
Researchers have discovered a genetic variation that may contribute to how empathetic a human is, and how that person reacts to stress. In the first study of its kind, a variation in the hormone/neurotransmitter oxytocin's ...
Study provides documentation that tumor 'stem-like cells' exist in benign tumors
Cancer stem-like cells have been implicated in the genesis of a variety of malignant cancers. Research scientists at Cedars-Sinai Medical Center's Maxine Dunitz Neurosurgical Institute have isolated stem-like cells in benign ...
Experts urge 18th-century 'Irish giant' be laid to rest
Experts called Wednesday for the skeleton of Charles Byrne, the "Irish giant", to be removed from a London museum where it has been on display for almost 200 years and buried at sea, as he wanted.
Researchers uncover hormone pathway to fatty liver disease
Scientists at the UCSF Cardiovascular Research Institute have discovered how a change in growth hormone activity in mice leads to fatty liver disease, a condition whose human counterpart is of rising concern worldwide.
Study: Growth hormone can aid athletic performance
(AP) -- Researchers are reporting the first scientific evidence that a hormone banned in sports can boost athletic performance.
Exercise can forestall osteoporosis
The stage for osteoporosis is set well before menopause—but exercise can help rewrite the script, according to Medical College of Georgia researchers.
Women exposed to radiation therapy as children prone to stillbirths
Thanks to advances in medicine, many children and adolescents who were diagnosed with cancer years ago are now surviving to adulthood and wanting to start families themselves. But how does exposure to radiation used to treat ...
New insights into breast-feeding hormone
(PhysOrg.com) -- A mechanism for regulating the hormone prolactin has newly been revealed by scientists at Karolinska Institutet, Sweden. The results are to be published in the scientific journal Neuron, and may be significant ...
Study takes novel approach to understanding pituitary function
A Florida State University biologist and mathematician have joined forces to find out exactly how the brain oversees the secretion of the hormone prolactin from the pituitary gland, research that could lead ...