psa on tobacco CDC puts out new series of public service announcements smoking Action - PSA- Quitting smoking

The real purpose of these efforts was to support research favourable to the tobacco industry, create scientific controversy, and discredit scientific research viewed as threatening to the industry

And some regulators are embracing the shift

Nicotine can: Promote tumor growth Induce DNA damage Hinder the body's ability to repair cellular damage Studies indicate that nicotine may interfere with the body's natural repair mechanisms, making it easier for DNA mutations to persist and develop into cancer

A stem and flower are shown at a , a leaf at b , a flower in section at c , a capsule at d , a seed at e , and a cross-section of a leaflet at f