A Moment of Science
How come the United States is falling behind other countries when it comes to increases in life expectancy?
What's so important about having clean air and reducing air pollution? Find out on this Moment of Science.
You’ve probably seen them on “60 Minutes”: 800-pound giants so trapped in fat that they can barely walk. While people that big are a rarity, many Americans do suffer from obesity.
You see, because smoking reduces life expectancy, smokers generate less in medical bills over their lifetimes than their long-lived nonsmoking friends.
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