Why Humans Live So Long by Heather Pringle. Scientific American. September 23, 2013. (The website provides only a preview. Subscription required or buy the physical copy. Well worth the effort and expense!
(1) The trend toward slower aging and longer lives began with the evolution of an increasingly powerful ____________________ to fight off the many ________________ in the ancient environment.
(2) Hunter-gatherer groups provide a hint that modern health practices might not____________________.
(3) Studies reveal that living to ______________ became common only recently in our prehistoric past.
(4) Meat eating helped to fuel ____________ but also increased exposure to ____________.
(5) The adaptive immune system responds to particular pathogens and in so doing creates a _____________ that confers lifelong protection agains the invader.
(6) The gene E (APOE) influences ______________________________________.
(7) APOE e4 vigorously ramps up the ___________________ thus providing the children of ancient families with a better chance of _______________________.
(8) Early humans who carried APOE e4 had a means to facilitate the absorption of _______ and the efficient storage of _______________.
(9) Even today APOE e4 carriers s shown in a study of Brazilian children scored higher on __________ tests.
(10) APOE e4 carriers tend to _________ childhood infections. However, in old age they are more vulnerable to diseases such as __________________.
(11) Antagonistic pleiotropy refers to ____________________.
(12) APOE e3 carriers produce a _____________ inflammatory response and are better adapted to ________ and _____-rich diets.
(13) APOE e3 carriers tend to live as much as __________ longer than APOE e4 carriers
No comments:
Post a Comment