In 2009, researchers reported that an AIDS vaccine had for the first time protected people against HIV. Since then, the researchers have been wondering, How did it work?
It’s no secret that as a population, Americans been getting heavier, but researchers now say that our weight problem may be worse than we thought.
How healthy is your county? An interactive survey ranks 3,000 U.S. counties on health measures including the number of fast food restaurants and the level of physical activity among residents.
A public-health advocacy group is on a mission to get caramel coloring banned from soda on the grounds that it may cause cancer.
The Department of Homeland Security insists that backscatter X-ray machines pose no danger to public health. Are you persuaded?
Katie Couric was right: colonoscopies are uncomfortable, but they lower the risk of cancer and save lives.
The new treatment, called Sklice, promises to be a real time-saver.
Don’t blame adults too much: adult vaccine schedules are much tricker to manage than the standard immunization requirements for children.
A study finds disturbing evidence that chemicals found in furniture, fast-food packaging and microwave popcorn bags may compromise children’s immune systems.
How bad is the flu season? Doctors are Googling the answer
Attention smokers: if you feel nicotine gum and patches aren’t helping you stay off cigarettes, you’re right
Screening for cancer is supposed to save lives, but not all experts recommend regular testing for cancer. Why?
These events captivated the American public in 2011 — and they may matter even more in 2012. Keep an eye out.