Here is an amazing fact about human body: On average, menstrual cycle is 28 days, from the first day of menstruation to the first day of next cycle. But the menstrual period of those women who are close friends or live closely together, for example in a dorm, gradually synchronizes (occurs at the same time).
While there is some debate over “menstrual synchrony”, but Pheromones (Airborne chemical signals) and sense of smell are believe to be responsible for this interesting phenomenon.
Facts
The Surprising Origin of Blue Eyes
The Surprising Origin of Blue Eyes A team at University of Copenhagen conducted a study in 2008 about the formation of blue eyes. The research
Schei, MD
Dec 8, 2013
