Blue-collar workers have 50% higher sperm counts than their peers

Blue-collar workers who lift heavy objects have 50 percent higher sperm counts than their peers, a Harvard study indicates.

Men with physically demanding jobs had 46 percent higher sperm concentration and 44 percent higher total sperm count than those with less physical jobs.

Lifting heavy objects and exercise more generally has been proven to lower inflammation in the body which promotes sperm health.

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