The effect of a strictly The effect of a strictly vegetable diet on the spontaneous activity, the rate of growth, and the longevity of the albino rat effectofstrictly00slon Year: 1912 Fio- 14 Photographs of omnivorous female (left) and vegetarian female (right) ' at the age of i year 9 months 16 days. The omnivorous weighed 161 grams, the vegetarian 109 grams.

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Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
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