At What Age Do Men Stop Growing?

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According to KidsHealth, most males stop growing taller around age 16. However, their muscles are still developing. The heights of boys increase rapidly between the ages of 12 and 15. The fastest growth period typically occurs at age 14.

According to WebMD, by the end of puberty, boys stop growing because the growth plates in their bones have permanently joined together. Heredity, nutrition and general health largely determine how tall a male becomes. An estimate of a boy's final height is made by adding together his father's height and his mother's height plus five. This result is divided by two. To promote healthy growth, boys should eat a balanced diet, get the proper amount of sleep and exercise consistently.