All the Americans in the study were native born, but the height of the mother does affect the growth potential of the child. So, there is a second generation effect. But this can explain only a small portion of the… — Richard H. Steckel Copy Share Image
Taller people tend to earn more on average, although the effect is modest. This is clearly true in occupations where strength is important but… — Richard H. Steckel Copy Share Image
Genes are very important at the individual level but these differences tend to cancel at the national level. — Richard H. Steckel Copy Share Image
Being shorter or taller depends on details of the diet. Vegetarians can obtain a balanced diet, with sufficient complete protein, vitamins, minerals and micro-nutrients.… — Richard H. Steckel Copy Share Image
I agree that zinc is one of the important micro-nutrients but people require a balanced blend of food for our biological engines. — Richard H. Steckel Copy Share Image
The second and third generation effect of immigration accounts for only a small portion of the height shortfall between Americans and northern Europeans. Besides… — Richard H. Steckel Copy Share Image
Young children from Guatemala who are adopted into the United States gain considerable height relative to the standards. So the height difference cannot be… — Richard H. Steckel Copy Share Image
Africans are not as tall as northern Europeans. But Manute Vol and other sports figures in basketball and football receive a lot of press… — Richard H. Steckel Copy Share Image
A rich diet does lead to earlier puberty but to my knowledge it does not student the adolescent growth spurt. Early pregnancy, before reaching… — Richard H. Steckel Copy Share Image
People tend to shrink with age, especially after age 50 or so. It has to do with spaces between the joints amount of cartilage… — Richard H. Steckel Copy Share Image
There are some effects of the biome. Compact bodies tend to conserve heat relative to linear ones. This can affect average height as well… — Richard H. Steckel Copy Share Image
The English were relatively short in the mid-nineteenth century and so their expeditions return with stories some exaggerated, not doubt about "giants" who lived… — Richard H. Steckel Copy Share Image
All the Americans in the study were native born, but the height of the mother does affect the growth potential of the child. So,… — Richard H. Steckel Copy Share Image