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Exercise is
for our health. It lowers the
of heart disease, helps us to maintain a healthy weight, and reduces
. Doctors say that exercising in cold weather is good for
. Going for a jog or a swim when it's chilly outside has extra
for our physical and
health. This is because the cold gives our heart a more energetic
. A doctor from the Hospital for Special Surgery in New York explained why. She said: "Your
has to work a little bit harder to pump
around your body…in the cold. This can help to boost your
over time."