Broadly speaking, the assumptions that most people, including health professionals and researchers, tend to hold about these two drugs are opposite: In the case of tobacco , the starting assumption is usually that any association is likely to be explained by self-medication or confounding With cannabis , however, we are much more inclined to believe in a causal association
Anesthesiologists have to work harder to keep people who smoke breathing while under anesthesia, fighting against lungs compromised by cigarette smoke, says Dr
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The authors only looked at generally healthy individuals, excluding patients taking medication for cardiac related disorders, for example