Ever since Dr. Ernest L. Wynder began trying to convince the world of the dangers of cancer in cigarette smoking, he has looked as cheerful as a basset hound being dragged through a cactus patch. Last ...

For the study, then, Shields and his co-authors reviewed hundreds of published scientific papers, including human studies, animal studies and smoking machine studies. Compared with smoking regular ...

Do cigarette filters cut down on the tar and nicotine that have helped to earn tobacco its unpleasant reputation as a cause of lung cancer, heart disease and assorted other ills? Certainly both ...

The world's most common type of litter, cigarette filters leach thousands of toxic chemicals and microplastics into the environment. Melissa Breyer was Treehugger’s senior editorial director before ...