Word: helping
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...Alzheimer's, since most people who have the risky version of ApoE4 don't have the necessary gene copies. But looking more closely at people who have a family history of the disease by adding an fMRI scan such as the one Rao conducted to the genetic screen could help doctors select those who do seem to be in the greatest danger of being claimed by the disorder. (See the Top 10 Celebrity Twitter Feeds...
...idea is not necessarily to diagnose Alzheimer's earlier, says Rao. But imaging studies can help to identify those most vulnerable to cognitive decline so they can participate in clinical trials of new drugs designed to postpone or reduce symptoms. "If we can delay the onset of Alzheimer's by five years," he says, "by some estimates we can cut the incidence of Alzheimer's in half. If we can delay the disease by 10 years, we could almost eliminate it because people would die from other conditions first...
...Such predictions are also a way for public health officials to get a handle on how infectious a new influenza like H1N1 might be, how it spreads, and how quickly. That helps them know how much vaccine might be needed, how to distribute it, and when to expect a surge in demand for flu treatments, including antiviral drugs such as Tamiflu and Relenza. It can also help predict when hospitals might become overwhelmed by flu cases, and prepare them to patch up already strained health care resources...
...cheek as the khat slowly breaks down into the saliva and enters the bloodstream. The newcomer to Yemen's ancient capital can't miss the spectacle of almost an entire adult population presenting cheeks bulging with cud, leaving behind green confetti of discarded leaves and branches. (Read "Can Amphetamines Help Cure Cocaine Addiction...
...leaf isn't forbidden by Islam, "khat is alcohol for Muslims," says Yahya Amma, the head merchant at the Agriculture Suq, one of the largest khat markets in the city. "You can chew it and still go to prayers." The leaf's energy-boosting and hunger-numbing properties help university students focus on their homework, allows underpaid laborers to work without meals and, according to local lore, offers the same help to impotent men that Westerners seek in Viagra. Evening khat ceremonies - regular salon gatherings (usually only of men) to chew and chat about matters great and small...