Medical Treatments

Treatment for hepatitis C has improved dramatically in the last decade — so much so that it drew one doctor out of retirement to help make sure more low-income patients are cured.

"Just the last few years alone have seen some serious breakthroughs in Alzheimer's research," Joseph Jebelli says. His new book is The Pursuit of Memory.

Washington, D.C., is experimenting with providing home visits and telemedicine to people on Medicaid, with the goal of making it less likely they'll end up in the emergency room.

Hundreds of millions of dollars are pouring into research labs in an effort to collect genetic information on a million people. But some skeptics say the focus should be on humans themselves, not DNA.