裡面有說 Just as many smokers do not get lung cancer, many cyclists will never develop impotence from bicycle seats, the scientists said. What makes one person more vulnerable than another is not known. Body weight seems to matter: heavier riders exert more pressure on saddles. Variations in anatomy may also make a difference.

依文章說也是要看身體的重量和騎的時間吧 假如身體的重量很重又長時間騎的話 座位對下陰的壓力也會更重 也更容易導致陽痿 身體輕的較不容易 像文章所說的 並不是 所有抽菸的人都會得肺癌 也是有不同的因素 .