Some of these were already mentioned.
Physical Risks
There are a number of physical risks that have shown to be associated with masturbation. Some of the studies describing these are summarized below.
Masturbation is Related to Psychopathology and Prostate Dysfunction
A 2012 comment by Rui Miguel Costa in the Archives of Sexual Behavior showed that the frequency of masturbation is associated with impaired sexual function in both men and women. Click here to read.
Decreased sperm count, motility and health
In 1993, Sofikitis and Miyagawa performed a study in the Journal of Andrology examining the differences between semen collected through masturbation versus sexual intercourse. What they found is that semen collected through masturbation exhibited a lower sperm count, a decreased motility and a significantly reduced health. Click here for the Study.
High Blood Pressure
In 2006, Brody performed a study in Biological Psychology suggesting that blood pressure reactivity to stress is superior for people who recently had penile-vaginal intercourse than for people who had other or no sexual activity. Click here for the Study.
Autoeroticism, Mental Health, and Organic Disturbances in Patients with Erectile Dysfunction
Psychological Risks
There are also a number of psychological risks associated with masturbation. Some of the studies describing these are summarized below.
Significantly increased rates of depression
In 1976 in the Archives of Sexual Behaviour, Husted and Edwards considered how personality correlates to male sexual arousal and behavior. What they found is that the practice of masturbation does in face relate to increased depression rates. Click here for the Study.
Increased reliance upon immature defense mechanisms
In 2008, Brody and Costa examined the use of psychological defines mechanisms and found that vaginal orgasm is associated with less use these defence mechanisms. They published their findings in the Journal of Sexual Medicine. Click here for the Study.
Reduced overall satisfaction in intercourse
In 2006 Brody and Kruger discovered in Biological Psychology that post-orgasmic prolactin increase following intercourse is greater than following masturbation. Click here for the Study.
Anxious Attachment
In 2011, Costa and Brody performed a study in the Journal of Sexual Medicine, finding that anxious and avoidant attachment could be related to masturbation as well as other abnormal sexual functions. Click here for the Study.
The Relative Healthy Benefits of Different Sexual Activities
In 2009, Brody and Costa performed a study on the relationship between relational satisfaction and the use of masturbation, oral sex and anal sex. They found that satisfaction in a relationship is associated directly with penile-vaginal intercourse but inversely with other sexual behavior frequencies. They published their findings in the Journal of Sexual Medicine. Click here for the Study.
Reduced Relational Attachment
In 2007, Costa and Brody produced a study for the Journal of Sex & Marital Therapy, finding that women’s relationship quality is associated with specifically penile-vaginal intercourse orgasm and frequency. The same could not be said for masturbation. Click here for the Study.
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