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Health News Archives

Demographics

HIV Outbreak Began Decades Earlier Than Thought
Rise of cities, risky behavior in west central Africa between 1884 and 1924 at root, study says

Seniors in Poor Areas More Likely to Die After Surgery
Study raises questions about disparities in outcomes, but offers no concrete answers

3M Injected Drug Users Worldwide Could Be HIV-Positive
In some countries, prevalence of infection may be as high as 40%, study suggests

Lung Cancer Rates Among Nonsmokers Not on the Rise
International study debunks some commonly held beliefs about this type of cancer

Last of Woolly Mammoths Had North American Roots
Beasts established themselves earlier than presumed

Neighborhood Alcohol Outlets Tied to Kids’ Injury Risk
Parental supervision undermined in 'disordered' areas where liquor is sold, study says

Mistaken Beliefs About Cancer Abound
Global survey says many inflate environmental risks, downplay behaviors that count

One-Third of Schools Built in Air Pollution Danger Zones
Unhealthy proximity to major roads is public health concern future planners should address

DNA Helps Trace History of Human Migration
Findings reveal how cultures interacted, adopted advances, study says

Immigrant Children Less Likely to Exercise
Study finds they participate in fewer sports but watch less TV

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