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Views: (515) Date: (18-10-09) Time: (00:01:24) |
Description: From Vancouver - According to research in the Canadian Medical Association Journal, smoking both tobacco and marijuana increases the risk of chronic obstructive pulmonary disease. In a study of nearly 900 people aged 40 and over, researchers found that those who smoked tobacco and marijuana had a 3 times higher risk for COPD. However, an increased risk was not linked to smoking marijuana alone. From Brazil - According to research in the Journal of the American Medical Association, stem cells ...