The Year in Medicine 2008

In good times and bad, science doesn't sleep, and every year brings breakthroughs, setbacks, reasons for worry and reasons for joy. TIME's annual alphabetical roundup of a sampling of those stories gives you an overview of the year behind and a hint of what might be in the one ahead.

Testosterone: Does It Make You Money?

Scott Olson / Getty
  • Print

Testosterone levels among traders were higher on days when they made better earnings, and the higher their morning levels were, the more money they tended to make by the end of the day. But chronically high levels blur the perception of risk — and after the crash of 2008, we know what that can do.

View the full list for "The Year in Medicine 2008"