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Men stop growing in young adulthood, around their early 20s, even though they still produce growth hormone (everyone does, the amount just depends on age). The amount that a man will grow however is not just genetic, it's multi factorial. Basically it's all about diet, exercise and yes, genetics.

A man's metabolism will slow down as he ages, particularly noticeable when his serum levels of testosterone start diminishing (about age 40). This is when the much commented mid-life crisis occurs, the beer belly starts becoming more and more noticeable, among other things.

This however isn't cookie-cutter. You can be young and have a slow metabolism, this can be because of your lifestyle or because of hormonal problems. People with hypothyroidism have slow metabolisms and are usually overweight (the thyroid hormones are the ones that control the metabolism's rate). People who are couch potatoes also have slow metabolisms. It all depends.

2006-11-16 14:13:10 · answer #1 · answered by afanforxx 1 · 0 0

Men stop growing in their late teens... my son started his growth spurt at the age of 13 and it slowed down at the age of 16. ( in that period he grew up from 5 ft 1 inch to 5 ft 10 inches ! ) Now he is nearly 6 ft tall. Metabolism usually slows down in the late twenties especially if men are not active in sports.

2006-11-16 13:26:25 · answer #2 · answered by jet 3 · 0 0

men stop growing at about their 20s. They start growing at around 16 which is why most elementary boys are shorter than girls because girls grow at a younger age.

2006-11-16 12:56:31 · answer #3 · answered by deal 3 · 0 0

all based on genetics and family history or something like that. if every guy metabolized at the same rate we would ALL be either fat or skinny

2006-11-16 12:56:57 · answer #4 · answered by shtp17 1 · 0 0

nicely frequently it would die off the older you get. you may carry on with it(in case you choose, yet i comprehend you will no longer) with muscle stimulation, small and incessant nutrition, and healthful fat, protein etc, and only doing issues the longer way. how plenty you weigh?

2016-10-15 15:50:23 · answer #5 · answered by Anonymous · 0 0

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