Health & Safety

Sleep researchers say about 30 percent of employees at big firms are so tired they're making as many mistakes as if they were coming to work drunk. Some offices now have "napping pods."

A year after Baltimore erupted in violence over the death of Freddie Gray, Dr. Leana Wen, the city's health commissioner, talks about progress and setbacks in dealing with issues the unrest exposed.

Public anger in China is simmering over a nationwide criminal ring that sold expired vaccines. Despite success in vaccinating China's population, lax oversight has often led to tragedies like this.

They're called doctors of pastoral medicine and tout certificates to prove it. But they don't have real medical degrees, and critics worry that patients don't understand what those titles really mean.