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It's estimated 1 in 10 men has a problem related to having sex, such as premature ejaculation or erectile dysfunction.
Sexual problems can affect any man, whether he is straight, gay, bisexual or transgender.
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This is when a man cannot get, or keep, an erection that allows him to take part in sexual intercourse or other types of sexual activity.
Most men experience it at some time in their life, and the causes can be physical or psychological.