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Simon Waters wrote: > I always thought the interesting science surrounded why almost all > mammals don't need to eat fruit but we (other primates and guinea pigs) do. A little gene therapy could allow humans to synthesise ascorbic acid from sugar and other carbohydrates but the avoidance of fruit is only going to worsen the problems of obesity. There must have been some evolutionary advantage to being able to survive on a mixed diet that included fruit that allowed mutations that dropped the gene to thrive. Yet that doesn't explain why all humans can get scurvy - there may well have also been a penalty to retaining the gene in which case gene therapy could reveal a whole new "anti-scurvy" disease. -- Neil Williams ============= http://www.data-freedom.org/ http://www.nosoftwarepatents.com/ http://www.linux.codehelp.co.uk/
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