Uncategorized

  1. Anthropology

    Earliest Ancestor Emerges in Africa

    Scientists have found 5.2- to 5.8-million-year-old fossils in Ethiopia that represent the earliest known members of the human evolutionary family.

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  2. 18958

    The study in “Marijuana may boost heart attack risk” appears to be more about the effects of smoking and deep inhalation than a useful examination of the effects of tetrahydrocannabinol, which is what marijuana smokers seek. The report makes it sound as though this active ingredient is the cause of the marginal increase in heart […]

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  3. Health & Medicine

    Marijuana may boost heart attack risk

    Marijuana seems to heighten the risk of heart attack in some people during the hour after which it is smoked.