The national debate on health care entered a new arena Tuesday, with Senate Democrats proposing a comprehensive bill that will launch a heated congressional battle to determine if America adopts universal coverage.

There is a moment -- on every issue of consequence -- when a president has to step in and declare: I own this.

A sharp increase in the number of reported cases of the H1N1 virus in Australia may prompt the World Health Organization (WHO) to declare the first global pandemic in over forty years.

A hundred years ago a Brazilian physician, Carlos Chagas, showed that monkeys were susceptible to a rare parasitic illness carried by a particular Latin American bug.

When Nina Temple was diagnosed with Parkinson's disease in 2000, then aged 44, she quickly became depressed, barely venturing out of her house as she struggled to come to terms with living with the chronic condition.

The World Health Organization announced Tuesday it is still considering increasing its pandemic alert level to phase 6 because of growing worldwide cases of the H1N1 virus, or swine flu.

America's highest ranking military officer said Tuesday the nation must do more for the mental health of American soldiers, warning statistics show "there are going to be more [troop] suicides this year than last."

Your desk is a mess, and you can forget about completing your to-do list -- you don't even have one. Your mind darts from one thought to the next. And that handbag you've been madly searching for on your way out the door? Yes, it's already on your shoulder.

Blockbuster movies are less likely to portray smokers than they have in the past, according to a new study. What's more, this decline in on-screen smoking may have occurred in tandem with a drop in the number of adolescents who have lit up in real life.