Frequent drinking of alcoholic beverages increases the risk of cancer of the breast, bowel, oropharynx, larynx, liver, stomach, oesophagus and ovaries. Women who consume 0.3 litres of wine daily increase their risk of breast cancer by 31%. Alcohol affects female hormones and increases estrogen levels. The combination of smoking and alcohol is devastating. Anyone who smokes and drinks heavily increases their risk of upper respiratory and gastrointestinal cancer by 10-100 times. For men the recommended maximum daily amount of alcohol is 20g and for women 10g. For example, 10g of alcohol is contained in 125ml of wine and 250ml of beer.