Height is thought to be influenced by variants in a large number of genes, and each variant is thought to have only a small impact onheight.
身高被认为受到大量基因变异的影响,而且每个变异只有部分的影响作用。
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They also found, as other researchers have, that higher body-mass index (BMI), a calculation based onheight and weight, was also linked with earlier puberty.
Monday's study from Eastern Virginia Medical School in Norfolk covered 1, 000 people and found that total sleep time decreased as body mass index — a measure of weight based onheight — increased.