In 1880, coal was the primary energy source for everything from home heating to industry. Regions where coal was readily available, such as the Ruhr Valley in G

Tobacco use by adolescents and young adults poses serious concerns. Nearly all adults who have ever smoked daily first tried a cigarette before 26 years of age.

This report considers the biological and behavioral mechanisms that may underlie the pathogenicity of tobacco smoke. Many Surgeon General's reports have conside

People have always smoked, and they probably always will. Every culture in recorded history has smoked something, whether for pleasure or relief, whether as par

After the death of her abusive father and loss of her beloved Ethan and their unborn child, Pattyn runs away, desperately seeking peace, as her younger sister,