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Dates: during 1990-1999
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Initially, advances in treatment will probably result in only modest gains. Clinicians will be able to delay onset by several years and lessen the severity of symptoms. But by 2025, control could come to resemble a cure. For Alzheimer's has something in common with other brain disorders such as Parkinson's, Huntington's and mad-cow disease. Like them, it appears to be caused by misfolded proteins--in this case, beta amyloid and tau. And so one day in the 21st century it may become possible to vanquish Alzheimer's with a vaccine that targets these miscreants...
...cheap in the U.S. and other developed nations. At the same time (thanks again to technology), physical exertion is no longer a part of most people's lives; most of us have to drag ourselves away from our computer or TV to burn off the excess calories. The result is inevitable. In 1950 one-quarter of Americans were classified as overweight; today half...
While the purveyors of this voodoo medicine today point with pride to the fact that most U.S. medical schools, influenced by research grants and public opinion, have launched courses in alternative medicine, the result will not be what they expect. Legitimate medical schools--and most of them are--will dispassionately dissect the alternatives and evaluate their effectiveness. In so doing, they will breed new generations of doctors who will urge patients to be skeptical about false claims and bogus science...
...with global warming, melting ice from Greenland and the Arctic Ocean could pump fresh water into the North Atlantic; so could the increased rainfall predicted for northern latitudes in a warmer world. Result: the Gulf Stream's water wouldn't get saltier after all and wouldn't sink so easily. Without adequate resupply, the southerly underwater current would stop, and the Gulf Stream would in turn be shut...
Fertility clinics have always occupied a peculiar place in the American medical system. From the birth of the field in the 1980s, political pressure from conservative religious groups prevented federal money from being used for any work on human embryos. As a result, top clinics operated quietly in the private sector, beyond the reach of most governmental regulations...