Oral sex is good for women’s health and makes you feel happier, according to a study which studied the effects of semen’s ‘mood-altering chemicals’.

The State University of New York study – which scientists carried out via survey rather than through practical experiment – compared the sex lives of 293 females to their mental health

It follows research which shows that seminal fluid contains chemicals that elevate mood, increase affection, induce sleep and also contain at least three anti-depressants.

The researchers also claim that women who have regular unprotected sex are less depressed and perform better on cognitive tests.

Semen contains another of chemicals along with spermatozoa, including cortisol, which is known to increase affection, estrone, which elevates mood and oxytocin, which also elevates mood.

It also contains thyrotropin-releasing hormone (another antidepressant), melatonin (a sleep-inducing agent), and even serotonin (perhaps the best-known antidepressant neurotransmitter).

Given these ingredients – and this is just a small sample of the mind-altering ‘drugs’ found in human semen – Researchers Gallup and Burch, along with the psychologist Steven Platek, hypothesised that women having unprotected sex should be less depressed than suitable control participants.

To investigate whether semen has antidepressant effects, the authors rounded up 293 college females from the university’s Albany campus, who agreed to fill out an anonymous questionnaire about various aspects of their sex lives.

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