Is it twenty-one times every month, right?

It’s not that simple. There isn’t a specific number of times you need to ejaculate each day, week, or month to achieve any particular result.

Read on to find out where that number came from, how ejaculation affects your prostate cancer risk, what happens to your sperm, and more.

Can frequent ejaculation really help reduce risk for prostate cancer?

The evidence isn’t conclusive. Here’s a quick snapshot of what you need to know.

A comprehensive 2016 study — the one that launched all the headlines — of nearly 32,000 males between 1992 and 2010 suggests that frequent ejaculation may lower the risk of prostate cancer.

However, more research is needed before we can know this for sure.

This study relies on data from self-reported surveys — rather than controlled laboratory data — to assess participants’ number of ejaculations and overall physical health.

This means that the results may not be entirely accurate. Memories aren’t perfect. And many people don’t feel comfortable being brutally honest about how many times they’ve ejaculated.

It’s also worth noting that a 2004 study.

 on the same group found no statistical significance between ejaculation and prostate cancer risk.

Although the 2016 study benefited from an extra decade or so of data, not much changed in the studies’ methods. Given this, it may be best to take the results from either study with a grain of salt.

Previous research has also faced some of the same limitations.

For example, a 2003 study of over 1,000 males also relied on self-reported data. The questionnaire posed several detailed questions that participants may not have known the exact answers to.

This includes:

how old they were when they first ejaculated

how many sexual partners they’ve had before and after they turned 30

an estimate of the decade in which they ejaculated with the most frequency

It’s also important to note that the participants had already received a prostate cancer diagnosis. 

It’s difficult to determine how ejaculation played a role, if at all, without knowing more about their health before diagnosis.

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