Loss of cells in a brain region that plays a key role in switching off arousal systems may be the reason many older adults experience insomnia and sleep disruption.
Obesity in early to mid-life may increase the risk of later-life dementia, according to new research. But for seniors, obesity may actually protect against the condition.
The US sends two man-sized robots that use ultraviolet light to kill superbugs to Liberia to help disinfect environments for treating Ebola patients.
New research suggests that both normal-weight and obese post-menopausal women can reduce their risk of arrhythmia by increasing their amount or intensity of exercise.
A recent study suggests that there may be an elevated stroke risk for children during the few days after a minor infection such as a cold.
Research into the role of the vagal nerve in stomach cancer has led to novel methods for severing the nerve-tumor connection. One of these, surprisingly, is Botox injections.
A study of Chilean sea bass bought across 10 states finds that mercury levels vary drastically, even among fish purporting to be certified as having low mercury content.
Individuals from a lower income bracket are less likely to pursue weight loss by exercising, drinking water and reducing fats or sweets, and are more likely to try 'quick fixes.'
There seems to be more focus than ever on Alzheimer's research. But how close are scientists to developing effective prevention and treatment strategies for the disease?
The WHO ask countries affected by the current Ebola outbreak to screen all exiting travelers for unexplained febrile illness consistent with potential infection by the virus.
Scientists have not been able to study in detail the malaria parasite as it rapidly escapes one blood cell to invade another. Now, using laser optical tweezers, they can.
Researchers from Denmark have linked ongoing use of a common antibiotic - clarithromycin - with a higher risk of cardiac death. They say their findings need 'urgent confirmation.'
A British study suggests that even commuting to work by public transport leads to a healthier BMI and body fat percentage than driving in a car.
With many more patients requiring heart transplants than there are available donor hearts, transplanted animal organs may provide a viable alternative.
Having previously found that yoga boosts cognitive ability more than aerobic exercise, a University of Illinois team now suggests that yoga improves cognition in sedentary seniors.
A new study finds that, compared with sons, daughters spend more than twice the amount of time each month caring for their elderly parents, revealing gender inequalities.
A child's drawing ability at age 4 could indicate how intelligent they will be at age 14, according to a new study by King's College London in the UK.
A natural molecule found in the fluid surrounding healthy joints provides the inspiration for scientists developing slippery materials for artificial joints and moving surfaces.
Using a combination of genome analysis and family tree reconstruction, researchers uncover two very different routes through which bacteria succeed at causing disease.
Living in an inclusive neighborhood with good neighbors could reduce an individual’s risk of heart attack, according to a new study.