" magazine of international sports medicine " an article of print will show in October, when exercising too consume physical power, can affect reproductive ability of the male.

Researcher the young boy a batch of health (average age 19 years old) cent is two groups, one group should ride tailor-made bicycle down to 8 hours inside two weeks exhausted, and another group avoids to join too intense campaign. Experiment discovery, the spermatozoon chroma of athletic group boy, ejaculation is measured with etc index of quality of a few spermatozoon falls somewhat. And their hurried is follicular hormone and corpus luteum generate element level to also can drop. 字串3

Researcher discovers at the same time, after training ends 3 days two, amount of the hormone level of canvasser, spermatozoon and quality returned normal level. But, to the person with a bit older age, restore to be done not have so fast. 字串9

The expert points out, cerebrum, hypophysis and spermary interaction, control reproductive capacity together, and motion may violate this system. They move research next the male reproduction ability with low level of little to those spermatozoon amounts, sex hormone has how old influence. 字串7

Researcher still had afore-mentioned tests to the female. The motion that they discover the woman is frequent, smart also can bring apparent effect to sex hormone level, for example they can stop menstruation. But like showing without evidence they can resemble a man abate reproduction ability.

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