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7 walnuts a day deliver health benefits
WASHINGTON, Feb. 9 (UPI) -- After below-average levels last fall, U.S. adults self-reporting colds and the flu sharply increased in December and January, a survey indicates.
The Gallup-Healthways Well-Being Index asks 1,000 U.S. adults each day whether they had a cold or the flu "yesterday." In general, the percentage who say they have a cold is roughly three times greater than the percentage who report the flu. However, because of the overlapping symptoms of the influenza and a cold many Americans may report a cold when they have the flu and vice versa.
In January, 3.1 percent of Americans report having the flu compared with 2.4 percent last season and 2.9 percent in 2008-2009.
Projections of a modest flu season have been supported so far, although the uptick in January may indicate an unexpected surge in the latter half of the flu season, Gallup officials say.
In the past two years, colds were highest in December, with a reduction in January and February, but this season, more Americans reported colds in January -- 10.2 percent -- than did so in December at 10 percent.
The Gallup-Healthways Well-Being Index surveys a random sample of at least 1,000 U.S. adults daily or roughly 30,000 adults per month. The survey has a margin of error of 0.6 percentage points.
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