Most teenagers reach puberty by the age of 15. Boys often continue to grow taller and gain weight throughout their adolescence. Girls usually stop growing at about this same time, although some remain in supertall range well into adulthood. The one exception is Ellis Van Halen, who grew an additional 7 inches between the ages of 15 and 20.
Boys are born with the genetic potential to be very tall. But genetics play only a small role in how tall someone grows up to be. Most of the time, people grow the same amount every year until they reach adulthood. When this doesn't happen, it's because of error in the growth process or disease.
In general, people grow more during their early years and less as they get older. This is true for everyone, not just teens. But since boys need to grow faster than girls to avoid being pregnant, most males can expect to grow taller over time. Some boys, however, suffer from growth disorders which prevent them from growing any taller. These problems can also affect girls but are much more common in boys.
The two main types of growth disorders in children are endocrine (hormone) disorders and metabolic (chemical) disorders.
Boys often exhibit the earliest physical signs of puberty between the ages of 10 and 16. They grow the fastest between the ages of 12 and 15. Boys' development spurts occur around two years later than females'. Most males have finished growing by the age of 16, but their muscles will continue to develop. Males can also grow taller. The average male reaches his maximum height around age 20-21, but it can vary from 17 to as much as 24 years old.
Maximum human height has been reported to reach 213 inches (530 cm) and more recently 247 inches (620 cm). The tallest person ever recorded was an American named Benjamin Thompson, who lived in Cincinnati, Ohio. He was measured at 216⁄8 inches (547 mm) tall in 1838, when he was only 21 years old.
The next year another man was recorded as being 217⁄8 inches (547 mm) tall, so it appears that Thompson grew even taller after his first record measurement. This guy's name was Charles Langdon and he was born in Tennessee. It is possible that both men reached their maximum heights before the invention of the measuring stick, which would make them remarkable individuals indeed!
After reaching its maximum height, a bone or bones within the body begin to shrink, indicating that the person is becoming shorter.
Boys often exhibit the earliest physical signs of puberty between the ages of 10 and 16. They grow the fastest between the ages of 12 and 15. Boys' development spurts occur around two years later than females'. Most males have finished growing by the age of 16, but their muscles will continue to develop.
Age-appropriate weight Boys' weight measures for this age group (15 years old) will typically fall between 41.52 and 83.24 kgs. According to the CDC, the average weight for this age group of males is 56.49 kg.
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