Big Picture

Fast fact #17

#17: Most living things can make vitamin C, but some that can't - including humans, other primates, guinea pigs and bats - rely on their diet to get it.

Evolution
Food and diet

Bibliography

Source: New Scientist: The Last Word.
http://www.last-word.com/content_handling/show_tree/tree_id/1528.html
Originally published in The Big Picture Little Book of Fast Facts
http://www.wellcome.ac.uk/Education-resources/Teaching-and-education/Big-Picture/All-issues/Special-Fast-Facts-book/index.htm

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