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Decades of exercise found to train the immune system for better defense
In addition to strengthening the muscles, lungs, and heart, regular physical exercise also strengthens the immune system.
Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm ...
News-Medical.Net on MSN
Harmful DNA changes in the sperm found to rise sharply with age
Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm ...
New Scientist on MSN
Selfish sperm see older fathers pass on more disease-causing mutations
Older men are more likely to pass on disease-causing mutations to their children because of the faster growth of mutant cells ...
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