What are the reasons some may have premature ejaculation and what are some common ways to fix it? (this is for school i swear)

Though the exact cause of PE is not known, serotonin may play a role. Serotonin is a natural substance in your body made by nerves. High amounts of serotonin in the brain increase the time to ejaculation. Low amounts can shorten the time to ejaculation, and lead to PE.

Causes can be depression
stress
lack of confidence

Band cthe nucleus of the atom

So that you don't get baby's but also prevents stis such as hiv