Approximately half of the differences in people's body weights are accounted for by

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Genetics play a significant role in determining body weight, as certain genes can affect factors such as metabolism and fat storage. While factors such as eating habits and exercise levels also impact body weight, they do not account for as much of the variation as genetics do. Medications can also influence body weight, but they are not as significant a factor as genetics.

Approximately Half of the Differences in People's Body Weights Are