The Centers for Disease Control says only about one quarter of U.S. children ages 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.
Fit teenagers are less likely to have heart attacks later in life, according to researchers in Sweden. Their study looked at nearly 750,000 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.
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