March of Dimes<span> is a United States nonprofit organization that works to improve the health of mothers and babies by preventing birth defects, premature birth and infant mortality. The organization was </span>founded<span> by President Franklin D. Roosevelt in 1938, as the National Foundation for Infantile Paralysis, to combat polio.</span>
Cardiovascular or cardio-respiratory endurance or aerobic fitness, is the ability of the heart and lungs to deliver oxygen to the body's tissues during sustained physical activity. Muscular endurance is the ability of a muscle, or group of muscles, to perform continuously without fatigue. Weight training can be performed with free weights, such as barbells and dumbbells, or by using weight machines to increase the muscular strength.
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they are not effective against viral infections such as a cold or flu.
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its an over population problem I think, im not sure thoug
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