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Today's Top Medical Stories - January 8, 2014

Fit teenagers are less likely to have heart attacks when they're older and a new study estimates tobacco control in the U.S. has saved 8 million lives.
Educating about smoking dangers, cigarette taxes and smoke-free laws have helped about 8 million people avoid premature deaths over the past 50 years, according to a new study published in the Journal of the American Medical Association.
Researchers say the people who benefited from tobacco control efforts gained, on average, nearly 2 decades of life.
This January marks the 50th anniversary of the first surgeon general's report on smoking and health.

The Centers for Disease Control says only about one-quarter of U-S children aged 12 to 15 are getting the recommended 60 minutes of moderate to vigorous exercise every day.
The 2012 federal government study found more boys get physical activity than girls and nearly half of U-S boys reported playing basketball.
Information for the study came from in-home interviews, physical examinations and surveys.

And fit teenagers are less likely to have heart attacks later in life according to researchers in Sweden.
Their study looked at nearly 750-thousand men and found those who were aerobically fit in their later teenage years were less likely to have a heart attack 30 or 40 years later.

(Alison Harmelin, CBS News)
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