Physical activity - even if you don't lose an ounce, you'll live longer, feel healthier and be less likely to get cancer, heart disease, stroke and arthritis. It's the closest thing we have to a wonder drug.
Flu can be serious, and it kills tens of thousands of Americans each year. Vaccination is easier and more convenient than ever, so get yourself and your family protected.
A vaccine that prevented tuberculosis would merit a Nobel Prize, but it's just very difficult to develop.
We know how to stop Ebola: by isolating and treating patients, tracing and monitoring their contacts, and breaking the chains of transmission.
Tobacco marketing often reaches children and youth and entices them to start using tobacco while they are still at an impressionable age. Nearly four out of five high school cigarette smokers will become adult smokers, even if they intend to quit in a few years. By the time they want to quit, they're hooked.
To me, as a physician, when 1.78 million of our high school kids have tried an e-cigarette, and a lot of them are using them regularly ... that's like watching someone harm hundreds of thousands of children.