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  • Surveys show that 95% of men and around 72% of women have masturbated in their life. But

  • with rumours that it's unhealthy, can cause blindness, and even infertility, can masturbation

  • be good for you? Feeling yourself isn't just for single people. 70% of men and 40% of women

  • in relationships reported masturbating within the 4 weeks leading up to a recent survey.

  • After all, it feels good. Not only is dopamine released, which helps control the brain's

  • reward and pleasure centres, reducing feelings of stress, but other endorphins released during

  • orgasm can decrease your perception of pain. For women polishing the pearl can reduce menstrual

  • cramping. And of course with the help of the hormone prolactin, which is linked to sleep,

  • you're likely to feel exhausted and catch some much needed Zs. Feel like you're coming

  • down with a cold? One study found that in males, components of the immune system are

  • activated during masturbation, increasing the number of white blood cells in the bloodstream.

  • Solo sessions might also help men reduce cancer, with high ejaculation frequency correlating

  • with a decreased risk of total prostate cancer. Though it's unclear why, researchers hypothesize

  • that increased ejaculation means potential carcinogenic secretions in the prostate are

  • excreted more regularly, decreasing their negative impact on the body. But why have

  • humans and animals evolved to masturbate if it's seemingly a waste of energy or semen

  • in men? Well, it turns out that self-love can actually improve the quality of sperm.

  • A study showed that recent, male masturbation reduced the number of sperm inseminated at

  • the next copulation, but not the number retained by the female. From this, it was concluded

  • that masturbation is a male strategy to improve the fitness of their sperm, as younger sperm

  • have a higher likelihood of insemination. Not only that but masturbation can improve

  • your sexual performance. Both women and men have pelvic floor muscles that stretch from

  • your pubic bone to your tailbone. As we age, these muscles weaken, causing sexual dysfunction

  • in women and erectile dysfunction in men. But stroking the penis or clitoris can activate

  • the bulbocavernosis reflex, resulting in pelvic floor muscles contracting. It's essentially

  • a workout for your sex muscles. Nitric oxide levels also diminish with age and can contribute

  • to a decreased sex drive but masturbation can help maintain it in your blood throughout

  • your life. But while masturbating does have physiological benefits, it's important to

  • mix up your technique. Using the same way to get off every time can make you sexually

  • unresponsive to other types of stimulation. This could lead to decreased sexual arousal,

  • or performance when it comes time to do the deed with a real life partner--so make sure

  • you mix it up! At the end of the day, masturbation is a safe and healthy activity, so put on

  • some music, light those candles, and have yourself a good night. And if you truly love

  • science, we have a new tshirt on sale for one more week, but unlike most trends, science

  • is logical and never ends, and these science tshirts will never go out of style. Seriously.

  • Science never goes out of style. Click on the screen, or use the link in the description

  • to get one. Don't forget to share this video on Facebook and Twitter and subscribe for

  • more weekly science videos!

Surveys show that 95% of men and around 72% of women have masturbated in their life. But

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