tobacco mosaic virus discovered by BJNANO This Day in Science History:

Funding This research was funded by a James McGill Professor Research Award to KN and Canadian Institutes of Health Research operating funds to KN and ML (MOP-211696) and JP and KN (PJT-148728)

Nicotine gum is available in doses of 2 mg and 4 mg

Pinch your nostrils shut Find the spot on your nose where the bony ridge the bridge tapers down to soft cartilage

The longevity of the cartridge depends on the quality

Controlling environmental pollution is largely a matter for policymakers, which will hopefully result in reduction of PM2.5 levels

The Irish Health Behaviour in School-aged Children (HBSC) Study 2014 found exposure to second hand smoke was common at home and in the family car, nearly one in every five children between the ages of 10 and 17 years were exposed to smoke in cars