Is Masturbation Bad? Health, Myths and the Real Risk
The Answer, Split in Two
Physically, masturbation is not bad for you. No credible study links it to the harms it has been blamed for over the centuries: blindness, hair loss, kidney damage, weakness, infertility or low testosterone. One large study even links frequent ejaculation to a lower risk of prostate cancer.
Behaviorally, it can become a problem, the same way eating, gaming or scrolling can. When it is compulsive, tied to porn you cannot stop watching, or costing you sleep and relationships, that is a real problem. It is a problem of control, not of the act itself.
Most of what goes wrong comes from mixing those two answers up.
The Myths, Checked
People still search for these, so here they are against the evidence.
| Claim | Status | What is actually true |
|---|---|---|
| It damages your kidneys | False | No mechanism and no evidence. The belief comes from traditional ideas about semen loss |
| It causes weakness or fatigue | False as a lasting effect | Short tiredness after orgasm is normal and passes |
| It lowers testosterone | Not supported | Orgasm did not change testosterone when it was measured directly |
| It causes hair loss | False | No study supports it |
| It affects eyesight | False | A Victorian era myth |
| It causes infertility | False | Sperm production is continuous |
| It shrinks or damages the penis | False | No evidence |
| It causes acne | Not supported | Never shown in research |
Where the kidney and weakness myths come from
Many traditional medical systems treat semen as a vital essence, so losing it is supposed to drain the body. In South Asia this belief shows up clinically as Dhat syndrome: anxiety, fatigue and physical complaints that the person attributes to semen loss. A 2026 systematic review of research on wet dreams found these misconceptions remain widespread in the region. The symptoms people feel are real, and the anxiety is often the cause of them. The semen loss is not.
The testosterone myth
The most repeated number online, a 145 percent testosterone peak on day seven of abstinence, comes from a 2003 study that was retracted in 2021. The full story is in does masturbation decrease testosterone.
What the Evidence Says Is Good
The only large study on health outcomes points the other way from the myths.
Rider and colleagues (European Urology, 2016) followed 31,925 men in the Health Professionals Follow-up Study for 18 years. Men who reported 21 or more ejaculations a month had a 19 percent lower risk of prostate cancer than men reporting 4 to 7 (hazard ratio 0.81).
The limits matter: it is observational, it relies on men remembering their own habits, and frequent ejaculation was also associated with other lifestyle differences. It does not prove that ejaculation prevents cancer. It does make it very hard to argue that regular ejaculation harms the prostate.
When It Does Become a Problem
This is the honest part that "masturbation is perfectly healthy" articles skip.
| Sign | Why it matters |
|---|---|
| You try to cut back and cannot | Loss of control is the core of compulsive sexual behavior |
| It decides when you go to bed | Sleep loss has real costs for mood, focus and health |
| It is your main way of handling stress or loneliness | The habit is doing an emotional job nothing else is doing |
| You need more porn, or more extreme porn, to get the same effect | Escalation is a warning sign |
| Sex with a partner has become harder than alone | Common enough to have a recovery literature of its own |
| It causes you real distress | Even if the cause is guilt, the distress deserves attention |
A nationally representative US survey (Dickenson and colleagues, JAMA Network Open, 2018) found 8.6 percent of adults reported clinically relevant distress or impairment from difficulty controlling sexual urges and behavior. A minority, but not a small one. The signs in more detail are in symptoms of porn addiction.
The Guilt Question
A large share of people who ask "is masturbation bad" are really asking whether it is wrong, often for religious or moral reasons.
Research led by Joshua Grubbs found that people who morally disapprove of porn are more likely to feel addicted to it, even when their actual use is low. Guilt and loss of control feel similar from the inside and are different problems. The ICD-11 classification of compulsive sexual behaviour disorder explicitly excludes distress that comes only from moral judgments.
That does not make your values wrong. If masturbation conflicts with them, choosing to stop is a legitimate decision, and many people make it. It just means the reason is your values, not your health, and the plan should match the reason. The deeper version is in porn addiction and the ICD-11.
So Should You Stop?
You do not need to stop for health reasons. There are good reasons people choose to anyway.
| Reason to stop | Holds up? |
|---|---|
| "It is damaging my body" | No. The evidence does not support this |
| "It is tied to porn I want to quit" | Yes. Stopping both together is usually easier than separating them |
| "I cannot go a week without it and want to know why" | Yes. That is a control question worth answering |
| "It is wrecking my sleep" | Yes. Fix the late night pattern |
| "It conflicts with my values" | Yes, as a values decision. Plan for guilt separately |
| "I want more energy or testosterone" | Weak. Sleep, training and diet do far more |
If you decide to take a break, a fixed length beats an open ended promise. What changes week by week is in what happens if I stop masturbating, and the practical methods are in how to stop masturbating.
FAQ
Is masturbation bad for your health?
No credible evidence says it is. It does not damage the kidneys, eyes, hair, fertility or testosterone. One large study linked frequent ejaculation to a lower risk of prostate cancer.
Is it bad to masturbate every day?
Not physically. Frequency alone is not a health problem. It becomes a problem when you cannot control it, when it costs you sleep or relationships, or when it is tied to porn use you want to stop.
Does masturbation affect the kidneys?
No. There is no mechanism or evidence linking masturbation to kidney damage. The belief comes from traditional ideas about semen loss, seen clinically in South Asia as Dhat syndrome.
What are the side effects of masturbation?
Short term tiredness after orgasm, and occasionally skin irritation from friction. The bigger risks are behavioral: lost sleep, compulsive use, and guilt if it conflicts with your values.
Can masturbation become an addiction?
Compulsive sexual behavior is recognised in the ICD-11 as compulsive sexual behaviour disorder. It is defined by loss of control and real consequences over six months or more, not by how often someone masturbates.
Why do I feel guilty after masturbating?
Often because it conflicts with moral or religious values you hold. Research shows that conflict can make people feel addicted even at low use. The feeling is real, and it is a different problem from loss of control.
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