Challenges remain in prevention and control of tobacco stockbot 0 40 2022.05.31 20:34 http://vietnamnews.vn/society/1206992/challenges-remain-in-prevention-… + 10 https://vietnamnews.vn/rss/society.rss + 3 A drop has been reported in the number of male adult smokers, but challenges remain in the prevention and control of the dangers of tobacco.