Welcome to Money Diaries where we are tackling the ever-present taboo that is money. We’re asking real people how they spend their hard-earned money during a seven-day period — and we’re tracking ...

The CDC warns there is no safe level of exposure to secondhand smoke, and even short periods of exposure can be harmful to people’s health.

The F.D.A. is making its biggest move yet to end smoking. It needs to be careful not to give rise to another public health ...