Rob Stein

This year's severe flu season is still pummeling the country from coast to coast. The respiratory illness appears to be unusually bad for baby boomers, federal health officials reported Friday.

While the flu appears to have started to ebb in some parts of the country, such as California, flu activity has remained widespread in 49 states for three weeks in a row. And that's unusual.

A tobacco product that its maker claims to be safer than cigarettes won qualified support from a Food and Drug Administration advisory panel Thursday.

The advisers voted 8-1 to support cigarette giant Philip Morris' claim that its "iQOS" system "significantly reduces your body's exposure to harmful or potentially harmful chemicals." The device heats tobacco but doesn't ignite it.

Chinese researchers have finally figured out how to clone a primate, using the same technique Scottish researchers devised to clone the first mammal, Dolly the sheep, in the mid-1990s.

The United States appears to be in the midst of an unusually severe flu season, officials at the federal Centers for Disease Control and Prevention said Friday.

The flu season started early, which is never a good sign, and the flu is already widespread throughout the country, the CDC's latest report shows. Half of states are reporting especially intense flu activity.

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