how far does cigarette smoke travel in a house can between flats? How much second-hand smoke is enough to start affecting your health? The answers may surprise you A pollution expert says spending

Glossary Aldehyde A carbonyl compound with the C=O (carbonyl) group at the end of the carbon chain, also recognisable as a CH=O group

Corresponding author of the paper, Luke Murtha, from the Department of Radiology at Ottawa Hospital General Campus in Canada, and colleagues noted that several prior studies have examined the effects of marijuana use on the lungs by way of pulmonary function tests, but that only two other studies utilized chest imaging

Air purifiers with HEPA filters can capture smoke particles, reducing their presence in your home

PMID 11893810

Source: Business Insider Stores also use natural, energy-efficient lighting