http://theaustralian.news.com.au/common/story_page/0,5744,18627229%5E2702,00.html?from=rss
Adam Cresswell,
"CANNABIS smokers risk developing emphysema 20 years before it tends to strike tobacco smokers, Australian researchers have found. Experts say the findings suggest the potentially serious lung condition could be more widespread in cannabis smokers than first thought. The higher temperature of cannabis smoke and different inhalation behaviour may explain the greater risk. "
