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A 18-year-old male asked:

Is your height totally determined by genes or can you perform exercises or eat certain foods to help make you grow taller?

2 doctor answers3 doctors weighed in
Dr. Jon Fishburn
Ophthalmology 31 years experience
Mostly genetic: Molecular biologist, chao quing lai states "about 60 to 80 percent of the difference in height between individuals is determined by genetic factors, whereas 20 to 40 percent can be attributed to environmental effects, mainly nutrition. This answer is based on estimates of the "heritability" of human height: the proportion of the total variation in height due to genetic factors.".
Dr. James Ferguson
Pediatrics 47 years experience
Mostly genes: Nutrition is rarely a factor unless you are nutritionally deficient. Males are expected to reach the average of both parents height plus 5 cm while females reach the average less 5 cm. There are no exercises or special foods to make you grow taller.

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Last updated Aug 10, 2017

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