They do not necessarily have a drinking addiction unless they can not function without drinking but it is a dangerous amount to be drinking each day and may cause health problems. 

It is advised that you do not drink more than 21 units a week for men or 14 units a week for women - a … Read more

People start smoking for many different reasons- peer pressure is normally one of them - they want to fit in with friends and seem grown up and cool. Once they start they become addicted to the nicotine in the cigarettes and it becomes very hard to stop. 

People also often have an 'it'll never happen to … Read more