Medicalnewstoday.com 3/27/2017
“… According to a new study, sex is a key ingredient. Researchers have found that sexual intercourse produces an “afterglow” that lasts for 2 days. What is more, this afterglow may boost long-term relationship satisfaction. …”
Read the entire article: http://www.medicalnewstoday.com/articles/316593.php
