Cardiology

A minute of secondhand marijuana smoke may damage blood vessels

Rats' blood vessels took at least three times longer to recover function after only a minute of breathing secondhand marijuana smoke, compared to recovery after a minute of breathing secondhand tobacco smoke, according to ...

Health

Ban proposed on electronic cigarettes on planes

(AP) -- The Obama administration Wednesday proposed banning the use of electronic cigarettes on airline flights, saying there is concern the smokeless cigarettes may be harmful.

Addiction

Cost now biggest turn-off to smoking

Rising cigarette prices have overtaken health concerns as the biggest motivator for people to cut down or stop smoking.

Other

Scalia's pro-tobacco order tossed by high court

(AP) -- Supreme Court Justice Antonin Scalia exercised a rarely used power last fall to let Philip Morris USA and three other big tobacco companies delay making multimillion-dollar payments for a program to help people quit ...

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