A simple actimeter device is helping researchers better understand sleep duration and quality in humans.
Researchers report listening to music may help people extend the time they are capable of enduring a cardiac stress test. The study also reports the findings could help healthy people to exercise for longer periods of time.
Menopausal women who frequently sunbathe have increased levels of gonadotropins and lower levels of estrogen than their peers who are not active sun worshipers. Low estrogen levels and higher levels of other hormones increase the risk for a number of health problems, including Alzheimer's disease.