World Health Organization

If coffee is your favorite morning pick-me-up, read on.

The World Health Organization's cancer research agency has given coffee the green light. The group concludes that coffee does not pose a cancer risk, and experts say a regular coffee habit may even be protective of good health.

The head of the World Health Organization, Margaret Chan, came out swinging at the opening ceremony of the 69th World Health Assembly in Geneva on Monday. The meeting of health officials from nearly 200 countries is usually a low-key, bureaucratic affair. Chan, however, opened the assembly by basically saying that the world is facing unprecedented global health challenges right now and is ill-equipped to deal with future threats.

"For infectious diseases, you cannot trust the past when planning for the future," she warned.

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Seems silly to talk about weaponized chickens, but that’s exactly the kind of talk world leaders have become afraid of.

The latest debate raging among scientists is whether to publish the results of recent experiments done on the bird flu virus. Those experiments have created a super deadly version of the H5N1 virus that could potentially be loosed by chickens (or other birds) and kill many tens of millions of people.