BEIJING -- A dirty brown haze sometimes more than a mile thick is darkening skies over vast areas of Asia, the Middle East, southern Africa and the Amazon Basin, changing weather patterns around the world and threatening health and food supplies, the U.N.

The so-called Mediterranean diet cuts the risk of heart disease, cancer and neurodegenerative conditions such as Alzheimer's, according to research released Friday.

By Chitra Datta THE dusty weather plaguing Qatar is causing major health problems for residents, say doctors. Respiratory complaints are on the rise and people prone to allergies are especially suffering in the adverse weather conditions.

00 billion. That's the estimate the Agency for Healthcare Research and Quality gave for the cost of the 10 most expensive health conditions to treat in its most recent study.

The United Nations-backed Global Fund to Fight AIDS, Tuberculosis and Malaria today welcomed Japan’s announcement that it will donate $560 million starting next year, which takes the Asian country’s total contribution so far to nearly $1.5 billion.