PHOENIX - A sauna-like sweat lodge at an Arizona resort meant to provide spiritual cleansing became a crime scene Friday after two people died and others became ill during a two-hour session inside the crude structure.

Each summer, Dana Helfer of Tucson, Ariz., collects the long, yellowish string-bean-like pods produced by mesquite trees on her property and around her neighborhood. And each fall, she has the sweet-tasting pods ground into flour.

By electrically stimulating the spinal cords of rodents, scientists have reversed some of the worst symptoms of Parkinson's disease. Spinal cord stimulation would be less invasive and inherently safer, and it would reduce the amount of drugs needed.

Mothers tended to think preschoolers ate better and exercised more than older children. But when the actual habits were examined, there was little difference between those aged two to five and those aged six to 12.

Patients with the debilitating condition experienced significantly less fatigue after eating 45 grammes of a special dark chocolate for eight weeks. Chocolate could have a significant impact on neurotransmitters, which help to regulate mood and sleep.

The compound, bisphenol A or BPA, is one of the highest-volume chemicals in the world and has found its way into the bodies of most human beings. Used to make hard plastic, BPA can seep from beverage containers and other materials.

An informative look at food expiration dates from Real Simple.

Sicko, goes straight for the heart, recounting the stories of people who were unable to get needed medical care for themselves or their families.

Key issues at the conference, which runs in Nairobi until July 10, will include feminization of the HIV pandemic, gender inequality, health care and treatment, sexual and reproductive rights, women's leadership and economic empowerment.

You may not be surprised that a rock concert can cause partial hearing loss. But a tiny iPod seems much less threatening. It may actually be more dangerous,