It’s impossible to know if, when or where in the body cancer will come calling. Cancer risks increase with age, lifestyle choices, environmental exposures and other factors, but the exact causes of many cancers—and why they affect some people but not others–remain a mystery.
When researchers conduct a clinical trial on a new cancer drug, the therapy often doesn’t work for a majority of patients.
Cancer cells survive largely because of their ability to adapt to their surroundings, and that includes fending off an attack from certain cancer treatments. A drug may be able to target one gene mutation in a cancer cell, but another mutation may take over and drive the tumor’s growth.
The three-part series "The making of Marion Barry" looks at how the future mayor got his start in the civil rights movement, how he became a power player in the city and his enduring legacy.