Worldwide, the average height of an adult is 5'2 for women and
for men it is 5'7
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more common in women than in men; it is thought to affect about
14% of adult women worldwide.
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chess is played frequently by 605 million adults worldwide, accounting for around 70% of adult population.
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Please check
http://www.onlinedegreeworld.com/blog/2009/100-best-websites-for-free-adult-education/
for a comprehensive list of the online courses available worldwide
for all age-groups.
What type of trial might be used to determine if overweight people can lower their incidence of Type II diabetes by changing their eating habits exercising