The Onset of Male Puberty: Ready, Set, GO While puberty begins and ends at different times for different people, puberty always begins with the appearance of a substance called gonadotropin-releasing hormone (GnRH) in the body. The release of GnRH is controlled by the hypothalamus, the same...
The Onset of Male Puberty: Ready, Set, GO While puberty begins and ends at different times for different people, puberty always begins with the appearance of a substance called gonadotropin-releasing hormone (GnRH) in the body. The release of GnRH is controlled by the hypothalamus, the same...
Ovulation: On day 14 or 15ovulation occurs bringing with it a surge of estrogen and lutinizing hormone and the mature egg is released from the ovary. Some women notice lower abdominal pain on this day. The American Journal of Sports Medicine found that, “During ovulation, estrogen and overal...
Eisenlohr-Moul: That’s a great question, and it intersects with mental health stigma, which I think is really fascinating. So when we think about a disorder where the symptoms are triggered by hormone changes, we can see how many patients will assume that this is a result of something be...
is important to know how long the sperm can survive. Sperm can live up to five days inside a woman’s body. Having sexual intercourse around the time of a woman's ovulation will increase the chances of pregnancy. However, when sperm is outside of the body, it cannot survive for long....
In Tao, the male ejaculate is highly regarded for its life extending and invigorating properties, and Taoists believe that recklessly squandering it through masturbation or unbridled amounts of sex can be harmful in the long term. Their belief is that the sperm containing male ejaculate takes an...
At a very molecular level, this is an incredible example of where the same parents, the same environment, and the same gestational experience can yield significantly different out- comes in brain development that may then predict long-term sex differences in disease risk and resilience. Also, ...
After a relatively long period of reproductive rest, the "first" stage of a dog's menstrual cycle is the proestrus stage. Proestrus averages 9 to 11 days but can be as short as three days and as long as 21. Canine females have discharge and swelling in the vulva. Afemale dog will at...
Puberty starts when a small gland inside the middle of the base of your brain (the hypothalamus) begins to distribute a chemical it has been sitting on for years and years. This chemical is called gonadotropin-releasing hormone, or GnRH. GnRH has been biding its time inside the hypothalamus,...
Facial hair and head hair growth have major differences, which is why you need to care for them differently, too. The two undergo three growth stages, though – the anagen, catagen, and telogen. However, they differ on how long the cycle lasts. Facial can complete the stages in just a...