New research challenges more than three centuries of sperm movement theories. Human sperm appears to swim like wiggling eels under a microscope, tails gyrating to and fro as they seek an egg to fertilize. But do you know how sperm move? For 350 years, sperms were thought to move by wiggling their tails like eels. […]
With all the negative publicity surrounding cholesterol, many people are surprised to learn that it is required for survival. It’s also worth noting that our bodies naturally produce cholesterol. But cholesterol isn’t all good or all bad — it’s a complicated topic worth learning more about. But did you know that cholesterol plays an important
Testosterone is a male sex hormone produced in the testicles. Normal male sexual development and function rely on testosterone hormone levels. During puberty, testosterone aids boys in developing male characteristics such as body and facial hair, a deeper voice, and muscle strength. But what kind of diets decrease testosterone in men? A low carbohydrate but
A sperm bank is a facility or business that buys, stores, and sells human sperm. Men who are known as sperm donors generate and sell sperm. The sperm is purchased by or for someone else to achieve a pregnancy or pregnancies other than by a sexual partner. Donor sperm is sperm sold by a sperm
A Canadian study found that children are less likely to pester their parents for a cheeseburger Happy Meal if they don’t see one on TV. But did you know that banning ads for toys and fast food was effective in lowering childhood obesity in Quebec? Quebec prohibited fast food and toy advertisements for children under
According to the National Health Service’s chief executive, hospitals are seeing and treating more men with prostate cancer, thanks partly to celebrities raising awareness of the disease by speaking out about their own experiences. But did you know that the Fry and Turnbull Effect really helped inspire men to get tested? Two news presenters Bill
The majority of people want to lose weight and reduce body fat. However, most are unaware of how fat loss works at the molecular level. During the energy conversion process, fat leaves the body in different ways. But did you know that you also exhale fat through carbon dioxide? When you lose fat through dieting,
Cocaine is a white powdery substance that interacts with the body’s central nervous system to produce energy and euphoria. Although there are undeniable physical symptoms of addiction, it is often the psychological addiction that is the most difficult to overcome. Someone who uses cocaine frequently will develop a dependence on it, which means they will
Valentine’s Day is typically associated with matters of the heart, but on February 14th, 1986. Sending a Valentine’s Day gift took on a new meaning when a man from New York needed a heart from Oklahoma. But how did the US Air Force help with this ordeal? When a man in New York needed a
Tapeworms are flat, segmented worms that live in some animals’ intestines. When animals graze in pastures or drink contaminated water, they can become infected with these parasites. But did you know that doctors could find a 20-foot-long tapeworm inside a man’s small intestine? A man in China eventually had a 20-foot-long tapeworm living in his
