Science news articles about 'occasional smoking'

... in blood flow. "We wanted to determine whether occasional smoking can impair flow-mediated dilation and ... findings, people shouldn't assume that smoking occasionally allows them to avoid the harmful ...

... that, on average, 25% of males and 39% of females aged 15-16, reported that they either regularly or occasionally smoked. Henderson describes how current school-based anti-smoking ...

... A mere century ago, our options to communicate with each other were limited mostly to writing letters, using carrier pigeons, sending the occasional smoke signal, drums, messengers - you get the idea.