Which of the following is accurate about the public-health consequences of obesity?

Obesity is the single largest preventable cause of death in the U.S., exceeding smoking.

The global economic burden of obesity is negligible compared with that of war and terrorism.

Obesity increases annual medical costs by about 42% compared with non-obese individuals.

Obesity is associated with an extra 60 missed workdays per year compared with non-obese workers.