Rhythm sex

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. Recent years have seen the publication of a considerable number of works attempting to educate the public as to proper sex relations in life. This volume, by a woman physician, is addressed primarily to women.

The "rhythm method," or periodic abstinence, can be very effective birth control. Trouble is, it's very tough to get it right. People have wanted and needed to prevent pregnancy for thousands of years. Before the birth control pill and condoms came along, couples had to figure out their fertile days each month, and avoid sex during those times. Today, that's known as periodic abstinence, also called the rhythm method. Abstinence means completely avoiding sex — the only percent effective way to prevent pregnancy. But many couples practice periodic abstinence as birth control, meaning they abstain from sex during the time when the woman is fertile.

IF orgasms seem like a bit of a mystery, don't worry - believe it or not, scientists haven't quite got to the bottom of them yet either. But one neuroscientist trying to shed light on how orgasms work in the brain has found the key could be rhythm - and he even compares having an orgasm to having a seizure. Furthermore, it's this trance which could be crucial for triggering climax. In fact, he found in both orgasm and reflex seizures, rhythmic inputs resulted in an explosive process after certain stimulation thresholds were reached and surpassed.

October 31, Many people have speculated on the evolutionary functions of the human orgasm, but the underlying mechanisms have remained mysterious. In a new paper, a Northwestern University researcher seeks to shed light on how orgasm works in the brain. Adam Safron, a neuroscientist and Ph.