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Polio's End Depends On Three Tough Countries

Vaccination campaigns have erased polio in almost every country in the world, but the disease persists in Afghanistan, Pakistan, and Nigeria. Obstacles in each country, including religious extremism, difficult terrain and transient populations, make eradication efforts difficult.

After Meningitis Deaths, A Look At Drug Safety

An outbreak of fungal meningitis has been linked to contaminated steroids that were injected into an estimated 14,000 people. Two dozen people have died, from fungal meningitis or strokes. It raises questions about where our drugs come from and which organizations oversee their production.

Study Results Linking Diet Soda To Cancer Fall Into The 'Gray Zone' Of Science

The co-author of a controversial study linking diet soda consumption to blood cancers says his study's findings fall into a gray area — between a clear relationship between diet soda consumption and cancers and no relationship at all. That, he says, is "the natural process of science."

Many Terminal Cancer Patients Mistakenly Believe A Cure Is Possible

A survey finds that the majority of advanced stage lung and colon cancer patients believe chemotherapy might cure them, when it can actually only buy them a few months. Oncologists are worried about how this impacts end-of-life decision making.

Data Linking Aspartame To Cancer Risk Are Too Weak To Defend, Hospital Says

We drink a lot of diet soda in this country, so when researchers disavowed a study linking aspartame to rare cancers just before publication, we took notice. The whole issue illustrates what makes scientific studies so confusing to the public. We'll keep you posted on this.

Egg Freezing Moves Out Of Experimental Realm

Freezing women's eggs to treat infertility is no longer an experimental procedure, according to the American Society for Reproductive Medicine. Still, the procedure remains costly and controversial and many questions remain about the effectiveness and safety of using long-term egg-freezing.