According to US Legal, the age of majority is 18. The age in which one is defined as an adult is the age that one is granted full adult rights such as the right to vote, get married and enlist.
The MIT Center for Work, Family & Personal Life states that young adulthood is generally viewed as the ages between 18 and 25. In certain cases, young adulthood is defined as the ages between 18 and 22.
The average weight for a given age differs with time, as obesity rates have been steadily increasing with time, as reported by ABC News; however, the World Health Organization, Gerontology Research Center and the United States Centers for Disease Control and Prevention has collected an abundance of
When children start school at age 5, many are about 43 inches tall and weigh about 43 pounds, according to Drugs.com. During puberty, a child's height and weight increase rapidly. Children who have started puberty reach about 59 inches tall and weigh about 90 pounds by age 12, on average.
According to Slate, there is no official reason why age 18 is considered adulthood, but it is believed to be tied to voting rights. Before the 26th Amendment in 1971, people had to be 21 to vote. As a result, most states considered age 21 adulthood.
The National Institutes of Health's height and weight chart does not include weight by age; it only includes average weight by height. Height and weight charts for babies, children and teenagers are different then those for adults, and they also vary by sex.
Slate explains that the reason the legal age for Americans is 18 deals with the idea of voting. Stemming from the Vietnam War era, people did not agree that it was okay to send 18-year-olds to war without giving them the right to vote first. Prior to that era, the minimum voting age was 21. When the
Charts for age, height and weight are used to provide a rough reference to determine how a child or teenager is developing, specifically whether he is underweight or overweight. Height/weight charts can be found online, or a doctor can consult one to provide a professional opinion.
The average healthy weight for children at the age of 3 is 25.5 to 38.5 pounds for boys and 27 to 38.5 pounds for girls, explains the Centers for Disease Control and Prevention. Body mass index is the major tool in determining the healthy weight of children, teens and adults.
Normal heart rate varies based upon age and activity level. A resting heart rate is typically above 60 beats per minute. It changes as an individual ages. The Mayo Clinic explains that a well-trained athlete often has a lower resting heart rate, closer to 40 beats per minute.