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Being overweight can reduce your fertility because it lowers your sperm quality, including sperm count and movement

Many free radicals, such as O 2 , react with other short-lived radicals ( e.g ., in the gas phase) to form other highly reactive species that impose additional burden of oxidative damage [65]

If you experience increased anxiety or depression, it is very important to seek help either from your healthcare provider, the quitline (1-800-QUIT-NOW), or in severe cases emergency help

When considered separately in univariate models, each measure was significantly associated with cotinine levels, at similar magnitudes (EMA =0.41