People do shrink as they get older. Age-related shrinking can be attributed to a variety of different reasons, some of which are preventable.Know More
People shrink as they age because the vertebrates in the spine lose fluid and flatten. Over the years, the arches of the feet flatten, causing a person to be a little shorter. Most people lose muscle mass in middle to later life, and that affects posture. The more a person slouches, the shorter he or she appears.
In order to prevent age-related shrinking, regular exercise is necessary. Workouts geared toward core strengthening and those that work the legs and hips are important. Foods containing calcium and vitamin D also help.Learn more about Human Anatomy
The age at which people grow armpit hair varies, but for boys it is often between the ages of nine and 14. Girls typically begin to grow this hair between eight and 13 years of age.Full Answer >
How people float is based on their specific density, so people who float have a lower density than people who don't float well. Specifically, people with a higher fat content in their bodies float better than people with a higher muscle content.Full Answer >
When people discuss parts of the body falling asleep, they are generally referring to tingling or numbness in those body parts. That tingling or numbness can be caused by a number of things, but is most commonly caused by either cutting off blood flow or nerve damage, and it is not recommended to attempt to make it happen intentionally.Full Answer >
HowStuffWorks explains that people cannot tickle themselves because the brain is aware that the sensation of touch is impending, and it loses the effect of surprise that usually accompanies the sensation of being tickled. The brain's cerebellum is responsible for deciphering whether a touch is familiar or unexpected.Full Answer >