Breastfeeding infertility LAM Calendar-based methods rhythm, etc. Cross-Cultural Research for Social Science. Retrieved 30 July Becker examined the latter. In some tribes such as the Agta, Philippines, stimulation of the genitals is encouraged from an early age.
In the UK ina leaflet was issued by the National Health Service in Sheffield carrying the slogan, "an orgasm a day keeps the doctor away".
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Some people prefer to simply stimulate the outer ring of the anus, while others will follow this by inserting one or more fingers. University of Illinois at Urbana-Champaign. Classical Press of Wales. Sex doesn't burn that many calories". Handbook of Sexual Dysfunction. Its authors have said that for too long, experts have concentrated on the need for "safe sex" and committed relationships while ignoring the principal reason that many people have sex. Retrieved 27 August