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While smoking one cigarette a day did cut the risk of heart disease and stroke by about half compared to smoking a pack, that one-a-day risk was still significant

# # # Lawrence Berkeley National Laboratory addresses the worlds most urgent scientific challenges by advancing sustainable energy, protecting human health, creating new materials, and revealing the origin and fate of the universe

Gastroesophageal reflux disease, or GERD, is a condition when stomach acid backs up into your throat

"We recognize that smokers are ritualistic and habitual in their smoking behavior

adults are former smokers who have successfully quit