The Most Controversial Health Stories of 2011 from Health.com

By Amanda MacMillan

If there's one thing you can say about 2011 from a health point of view, it's that it wasn't boring!

From killer vitamins to Charlie Sheen's excesses to scientists flip-flopping on the dangers of cell phones and salt, our heads are spinning as we sort through the headlines.

Here are our picks for the year's most buzz-worthy stories—share yours on facebook.com/heal

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Top health stories of 2011 from CNN

(CNN) -- The most deadly recorded listeria outbreak and concerns about nuclear radiation after Japan's biggest earthquake made major health headlines this year, along with several notable deaths to cancer and the inspiring recovery of a Congresswoman who suffered brain injuries from a gunshot wound.

Here's a look back at some of the top stories of 2011, a year that marked major anniversaries in some of the world's most pernicious diseases -- HIV/AIDS and the "war" on cancer.

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Top 10 medical innovations of 2011 from Time Magazine.

It's not quite human cloning, but it's close. Researchers reported using a variation of somatic cell nuclear transfer (SCNT) — the same technique that created Dolly the sheep, the first mammal to be cloned, from a skin cell of a ewe — on human cells. SCNT involves replacing the genetic material of an egg cell with the DNA from a mature cell (a skin cell, for example). The egg is then stimulated to divide, and if it develops fully, produces a genetically identical clone of the animal from which the mature cell was taken.

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