Vitamin D might improve longevity...

Taking the contraceptive pill does not increase a woman's chance of developing cancer and could even reduce the risk of getting the killer disease...

Loneliness causes illness, UCLA study finds...

Alzheimer's may be treatable with available epilepsy drugs...

Rising early may increase risks of heart attack and stroke...

Mediterranean diet may reduce arthritis symptoms...

Frequent mobile phone users have lower brain activity but greater ability to focus on specific issues...