Background The evidence of an association of lactation with a reduction in the risk of breast
cancer among women has been limited and inconsistent. The effect of lactation appears to …

Each stage in the life cycle of coal—extraction, transport, processing, and combustion—generates
a waste stream and carries multiple hazards for health and the environment. These …

What do we currently know about the occupational and environmental causes of cancer? As
of 2007, the International Agency for Research on Cancer (1ARC) identified 415 known or …

We have recently proposed that lifestyle-related factors, screening and aging cannot fully
account for the present overall growing incidence of cancer. In order to propose the concept …

Background: Melanoma is external and potentially detectable by many persons but little is
known about who first discovers these lesions. An understanding of discovery patterns can …

Background: Although an association between alcohol consumption and risk of breast cancer
has been observed in many studies, questions of major importance remain, including the …

The International Agency for Research on Cancer (IARC) Monographs Programme identifies
chemicals, drugs, mixtures, occupational exposures, lifestyles and personal habits, and …

Perfluorinated alkyl substances have been in use for over sixty years. These highly stable
substances were at first thought to be virtually inert and of low toxicity. Toxicity information …

The authors analyzed data from two multistate, population-based case-control studies to
investigate the association between age at any full-term pregnancy (FP) and breast cancer risk. …

Purpose Melanoma is the most commonly fatal form of skin cancer, with nearly 50,000 annual
deaths worldwide. We sought to assess long-term trends in the incidence and mortality of …