This document discusses several common myths and misconceptions about smoking. It addresses the ideas that smoking helps with stress relief, weight control, and Alzheimer's prevention, but finds that the evidence shows smoking actually increases stress and risk of dementia. It also debunks notions that light cigarettes, cutting down, or a single cigarette are safer alternatives, stating the only way to reduce risk is quitting completely. The document advises against using nicotine replacements long-term or during pregnancy without consulting a doctor first. Finally, it dismisses the idea that someone living to an old age while smoking means smoking is safe.