About 40% of cancers could be prevented were people to stop smoking and overeating, limit alcohol intake, exercise regularly and get vaccines that target cancer-causing infections (e.g., HPV, Hepatitis B)

Of adults 18 to 29, about 1/3 are obese, 1/3 are overweight, among men almost 1/3 smoke, 1/4 binge-drink, and 30% don't have health insurance.