<div id="subtitle">AP IMPACT: Positive eugenics? Gene tests appear to reduce levels of some inherited diseases</div><div><p>Some of mankind's most devastating inherited diseases appear to be declining, and a few have nearly disappeared, because more people are ...

<div><p>WASHINGTON (Reuters) - An earthquake killing up to 200,000 people would have been bad enough anywhere, but in Haiti, where AIDS, tuberculosis and malaria are rampant, children are malnourished and hygiene is already a challenge, it may create one of the worst medical disasters ...