Morning erections occur when you wake up with an erection. They usually happen during the transition between REM sleep and being awake. REM is the deepest stage of sleep and occurs every 90 minutes...
Testosterone is one of the most important hormones for men and women, it helps to regulate many functions in the body such as muscle mass, bone density, libido, and mood. It also plays an important...
Men's testosterone levels often drop when they become fathers. This phenomenon is known as “fatherhood hormones” or “baby blues.” It occurs because the body needs to produce more oxytocin – the...
Men with higher testosterone don't always have higher sex drives — it's influenced by many factors. Testosterone is a hormone that plays an important role in male reproductive function, including...
Male nipples are sensitive because they develop before sex hormones differentiate fetal genitalia.
The male body has two nipples that can become erect during arousal. Nipple stimulation is common...
The male body produces around 1,500 sperm per second — about 130 million a day. This means that a man can produce enough sperm to fertilize an egg every day for about five years without repeating any...
Testosterone is a male sex hormone that plays a critical role in erotic motivation. It affects various aspects of sexual behavior, including desire for intercourse, attraction to partners, and...