Nobody knows what causes Alzheimers.

Alzheimer’s Brain Tangles Offer Clue to Decline That sticky gunk coating Alzheimer’s individuals’ brains gets all of the notoriety, but another culprit is gaining renewed attention: Protein tangles that clog human brain cells and might just determine how fast individuals go downhill tadacip dosage . Nobody knows what causes Alzheimer’s, although the disease’s hallmark plaque – that gooey stuff called beta-amyloid – may be the main suspect. Yet repeated efforts at anti-amyloid treatments have failed, the latest disappointment last month when Eli Lilly & Co. Abandoned an experimental medication that wound up doing harm, not good. Now comes a different clue: Another protein called tau appears to signal how aggressive the mind-robbing disease will be.

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.. Altruism is important, but financial settlement a convincing reason behind egg donation in a few national countries Egg donation is now among the major reasons why couples travel overseas for fertility treatment. Because this growing craze may circumvent regulations at home or raise problems about financial inducement, it has also become one of the most controversial. Yet little is known about the women who provide the donor eggs in abroad clinics – their features, their motivation and their compensation. A study performed by ESHRE, which surveyed 1423 egg donors at 60 clinics in 11 European countries, has now discovered that the majority of donors are keen to greatly help infertile couples for altruistic reasons, but a big proportion also expect an individual benefit, usually financial.