Medical research

Rat study shows chrysotile asbestos is strong carcinogen

(HealthDay) -- Chrysotile, a commercially used type of asbestos, induces malignant mesothelioma (MM) in the rat peritoneal cavity, with pathogenesis strongly linked to iron overload, according to a study published online ...

Genetics

Gene variants found to affect human lifespan

By broadly comparing the DNA of children to that of elderly people, gene researchers have identified gene variants that influence lifespan, either by raising disease risk or by providing protection from disease.

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