Masturbation is any sexual self-stimulation of your own body for pleasure, whether or not it leads to orgasm. It includes touching your genitals, but it also covers stimulating other erogenous zones, using toys or devices, grinding against surfaces, or any other solo sexual activity. The term extends further than most people assume, and understanding what counts can help you think more clearly about your own sexual health.
What Counts as Masturbation
At its simplest, masturbation is deliberately stimulating your own body for sexual pleasure. The most obvious form is using your hands to touch your genitals, but the definition is broader than that. Using a vibrator, dildo, or other sex toy on yourself counts. So does grinding or pressing against a pillow, mattress edge, or furniture. Stimulating your nipples, inner thighs, or other sensitive areas for arousal also falls under the umbrella. If the intent is sexual pleasure directed at your own body, it’s masturbation.
Penetration isn’t required. You don’t need to reach orgasm for it to qualify. Brief or extended, with hands or without, the defining feature is self-directed sexual stimulation.
Mutual Masturbation Is Its Own Category
The term “mutual masturbation” covers two distinct activities: touching yourself in the presence of a partner (both of you stimulating yourselves simultaneously), or using your hands to stimulate each other. Both are commonly grouped under masturbation rather than intercourse, partly because they don’t involve penetrative sex and partly because the core mechanics mirror solo self-stimulation.
Mutual masturbation can also happen remotely. Partners sometimes use app-controlled toys that one person wears while the other operates from a distance. This blurs the line between solo and partnered activity, but it’s still generally categorized as masturbation.
How Common It Is
Masturbation is one of the most common sexual behaviors across all demographics. In a nationally representative U.S. survey, significantly more men than women reported both lifetime and past-month masturbation, and men reported higher frequency overall. But masturbation is widespread among all genders and age groups.
Interestingly, people who wanted more partnered sex also masturbated more often, not less. Men who desired partnered sex “much more often” were about 4.4 times more likely to report frequent masturbation than men satisfied with their current partnered sex frequency. For women, that figure was about 3.9 times. This challenges the idea that masturbation is purely a substitute for partnered sex. For many people, higher sexual desire drives both activities simultaneously.
What Happens in Your Body
Masturbation triggers a cascade of hormonal and nervous system responses, especially around orgasm. Your body activates its “fight or flight” system briefly: levels of adrenaline and noradrenaline spike during orgasm (adrenaline surges more than 100% above baseline) and then drop back to normal within about 10 minutes.
Orgasm also releases dopamine, which drives feelings of pleasure and reward, and prolactin, which rises immediately after orgasm and stays elevated. Prolactin likely plays a role in the feeling of satisfaction and reduced arousal you experience afterward. It may act as a built-in signal telling your brain that the sexual drive has been fulfilled, at least temporarily.
Oxytocin levels also tend to rise after orgasm, though the effect varies quite a bit from person to person. Cortisol, the hormone linked to stress, stays level or dips slightly after orgasm. This combination of rising feel-good hormones and stable or falling stress hormones is why many people feel relaxed or sleepy after masturbating.
Benefits for Sexual Function
Beyond stress relief and relaxation, masturbation can actively improve how your body responds during partnered sex. For people who have consistent difficulty reaching orgasm, regular masturbation may lower the threshold needed to climax over time. The mechanism is straightforward: during solo stimulation, you control the pace, type of touch, and intensity without needing to attend to a partner. This lets you develop better awareness of the physical cues that precede orgasm.
Research suggests this works best when the type of stimulation during masturbation overlaps with what happens during partnered sex. For women in particular, using similar techniques solo and with a partner has been linked to improved orgasmic experience during sex. Essentially, masturbation lets you rehearse and reinforce the neural pathways involved in orgasm, making them easier to activate in other contexts.
When It Becomes a Concern
Masturbation itself is not harmful. It doesn’t cause blindness, hair loss, infertility, or physical weakness. These are persistent cultural myths with no medical basis. The activity only becomes a clinical concern when it fits the pattern of compulsive sexual behavior.
The distinction isn’t about frequency alone. According to the Mayo Clinic, the warning signs are about control and consequences:
- Loss of control: You’ve tried repeatedly to cut back and can’t.
- Escalating preoccupation: Sexual urges and fantasies take up a large portion of your day and feel beyond your ability to manage.
- Negative consequences you can’t stop: Your behavior is damaging relationships, work performance, finances, or other areas of your life, and you continue anyway.
- Emotional coping: You rely on it primarily to escape loneliness, depression, anxiety, or stress rather than experiencing it as a positive part of your life.
- Guilt-relief cycles: You feel driven to act, experience temporary relief, then feel significant guilt or regret, and repeat the pattern.
If none of those apply, your masturbation habits are almost certainly within the normal range, regardless of how often you do it. The line between healthy and problematic isn’t drawn by a number per week. It’s drawn by whether the behavior is causing real harm to your life and whether you feel unable to stop.