Sperm Moves Best for Moderate Exercisers: Yamaguchi University Study

Men who get moderate amounts of exercise have better sperm motility than men who are less or more physically active, a new study finds. Motility refers to the sperm’s ability to swim and move towards an egg, an important factor in fertility. The study by researchers at Yamaguchi University in Japan included 215 men who provided semen samples and information about their physical activity levels. The men were divided into three groups: strenuous, moderate or light exercise. Age and body mass index were similar among the three groups.

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