Studies lend support to ‘grandmother hypothesis,’ but there are limits

Humans are unusual in that women go through menopause and stop reproducing long before reaching the end of their life expectancy. One theory holds that this aspect of human life history may be explained by the evolutionary benefits associated with the role of grandmothers in helping their grandchildren. Now, two studies add to evidence for this so-called ‘grandmother hypothesis.’ However, they also show that there are limits.

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Now Dr. Jack Straw is in charge of the website, and organizes it so that medical care is available to everyone. In addition, he is an active member of the medical community, regularly attending international conferences and sharing his experience and knowledge. Dr. Straw is not only a medical professional and website manager, but also a loving husband and father of his beautiful children.
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