An 11-page guideline was issued by California Attorney General Jerry Brown on Monday to define what are the allowed medical uses of marijuana in the state. It seeks to solve the differences between state and federal authorities.

The guidelines permit marijuana to be sold at medical dispensaries, but only those raised by cooperatives and not by enterprises for profit

Children who are exposed to pet dogs, cats or other furry friends at home can develop problem snoring when they grow up, a new study has revealed. Heavy snoring has been linked to early death, heart disease and stroke, not to mention the obvious problems of sleep deprivation for the snorer and their partner.

Karl Franklin, the study's lead author and a physician at University Hospital here, analyzed sleep habits and other childhood hospitalizations of men and women aged 25 to 54 -- all residents of Sweden, Norway, Iceland, Denmark, and Estonia -- and got responses from 15,556

Although Canadian teens are talking more about sex, they are having less of it. According to Statistics Canada, the number of sexually active young Canadians between the ages 15 to 19 declined to 43 percent in 2005, down from 47 percent in 1997-98.

The Statistics Canada study on teen sexual behavior released Tuesday observed that the youth have become more comfortable discussing sex issues with their parents, public health nurses and doctors

Medical researchers will take an innovative approach to studying a Lyme-Like Illness that occurs in Texas and some other states.

There are conflicting reports about what causes Southern-Tick Associated Rash Illness (STARI), found in the southeastern and south central United States, and how infectious it is

The future of an infant born of an Indian surrogate mother is uncertain as her biological parents, a Japanese couple, divorced after conception.

Abandoned by her Japanese and the Indian mother, the baby is now under her grandmother's care in a hospital in Jaipur, in western Rajasthan state