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Girls who do not live with both parents from birth to age two may be at higher risk of starting puberty at a younger age than girls living with both parents, research published in the open access journal BMC Pediatrics suggests. The authors suggest that their findings support the hypothesis that stress in early life […]
Becoming overweight at a young age can trigger a molecular chain reaction that leads some girls to experience puberty early, according to new research published in Nature Communications. Scientists have discovered a molecular mechanism that leads overweight female rats to have early-onset puberty. “Knowing how nutrition and specific molecules play a role in starting puberty […]
McMaster University researchers say there is an urgent need for studies on the physical health effects of cannabis use, including its impact on puberty. The call comes following a systematic review of existing literature that identified an absence of such research. The results of the review were published in Adolescent Health, Medicine and Therapeutics. “While […]
“Stubble,” or hair growth on the face, is due to several factors: the number of hair follicles on the face and neck (usually genetically determined) and the presence of the androgenic hormones testosterone and DHEAS. These androgenic hormones usually begin to rise in early to mid puberty and continue to rise throughout puberty. The age […]
If you’ve noticed that your body has started to smell differently than it did when you were younger, don’t freak out; it’s completely normal. Body odor (or “B.O.”) is part of growing up, and something that every guy has to deal with. What causes body odor? During puberty, your sweat glands become much more active […]
It’s possible that you may have a condition called adolescent gynecomastia. What happens with adolescent gynecomastia is that the tissue underneath a guys’ nipples starts to grow, and it may look like he has small breasts. Don’t worry though; this is a common condition, and usually goes away within a few months to a year. […]
There is a really wide range of “normal” body hair. It also changes a lot from one ethnicity to another. The first thing I would think about is how much hair you have in relation to your parents – if it’s pretty similar I wouldn’t be worried at all. Even within families, it can vary […]
It is difficult to know exactly when your penis will stop growing. During puberty, a young man’s testicles begin to grow larger, followed by the penis. On average the penis will reach its final size about 4-6 years after the testicles enlarge. Most guys are fully developed by the time they are 18-21 years old. […]
It can be very frustrating if you feel “different” then your friends however, everyone develops at different stages. Some guys go through puberty on the early side and others develop on the older side, and then some develop sometime in the middle, which is considered the “average” time. Regardless, it takes about 4-6 years for […]
There are formulas that are often used to estimate a young person’s adult height, however the results are not always reliable. In fact the results often vary by 4 inches (either way). The reality is that environmental factors, mostly nutrition, also play a key role in helping an adolescent reach their potential height. How to […]