FRIDAY, Sept. 14 (HealthDay News) — Regular exposure to secondhand smoke has a negative effect on brain function, according to a new British study that found people who live with or spend a significant amount of time with a smoker are damaging their memories. “According to recent reports by the World Health Organization, exposure to secondhand smoke can have serious consequences on the health of people who have never smoked themselves, but who are exposed to other people’s tobacco smoke,” Dr. Tom Heffernan, a researcher at the Collaboration for Drug and Alcohol Research Group at Northumbria University, said in a...