Quitting smoking is contagious, as in spreading fast across population. Scientists from Harvard School and California University in San-Diego came to this conclusion after holding an experiment with 12000 participants. As is turns out, quitting smoking becomes a trend and spreads fast across the society. This tendency, in fact, is really good for people’s health. Full story

Whether a woman manages to give up smoking depends on her menstrual cycle, claim experts at University of Minnesota. The study conducted by the scientists involved 200 women trying to quit smoking. Half of the volunteers was in the “follicular” part of the cycle (just after menstruation ended and before ovulation), and the other half – in the “luteal” part (after ovulation and before the next menstruation started). Full story