As the saying goes: Genes load the gun, environment pulls the trigger. In other words, we all have genetic predispositions to like or dislike certain things, which may or may not be bad for us
When lying flat however, it's much easier for stomach acid to backflow into the oesophagus
New York, NY: Academic Press
Reducing the Risks of Asthma and Smoking The best thing you can do to minimize your risk of asthma attacks is to quit smoking
Blanket Ban on Cigarette Ads from 1 March, The Singapore Herald, 6 February 1971 Coming: new anti-smoking warnings , Arti Mulchand, The Straits Times, 17 May 2006 New gory images to jolt smokers to quit , Arti Mulchand, The Straits Times, 3 June 2006 "Tobacco Hazards Prevention Act"