You can do two kinds of exercise to help build
cardiovascular fitness.Both kinds of exercise make the heart stronger
by forcing it to work harder to send oxygen to the rest of the body.These
exercises also help keep fatty material from building up on blood vessel
walls.... Read
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What can
cause tooth problems?
Most tooth problems
are caused by plaque, a colorless layer of bacteria that forms on your
teeth.The bacteria in plaque use the sugar in food to form acids that
can dissolve enamel, causing a cavity. Read
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