Drug Treatment

A study confirms that people who make less than $50,000 a year are 37 percent less likely to participate in clinical trials for new cancer treatments—and that's bad news for everybody involved.

• By Nathan Collins

New research finds a racial disparity.

• By Lauren Kirchner

Achieving one of those results is hard enough. And recent experiments suggest we may not be able to have both even if we want to.

• By Chris Uggen