malia smoking cigarettes IRONY: After sporting 'Smoking Kills' T-shirt, Obama puffs cig outside LA store PHOTOS: Malia Obama spotted smoking

Awareness "has gotten a lot better over the years through things like Curt is doing, but there's a long way to go." 'It's a disgusting habit' Schilling played from 2004-07 with the Red Sox, who won the World Series in his first and last seasons with them

Cannabis has more chemical compounds than tobacco, making it more challenging to study

Plaque build-up usually begins during childhood as a fatty streak

Gut Check is a periodic look at health claims made by studies, newsmakers, or conventional wisdom

Surgeon General issued a formal advisory stating that cannabis usage can harm the brain development of young people and fetuses in pregnant women

The owners entrusted him to set up a factory in Buenos Aires, where he lived for three years