1. Not smoking or chewing tobacco

2. Having a healthier diet; low in fat and  rich in vegetables and fruits

3. If you drink alcohol, reduce alcohol consumption.  The current guidelines state that men should not exceed 21 units per week and females should not exceed 14 units per week.  A unit of alcohol is a small glass of wine, half a pint of beer )~250ml) or a shot of spirit such as vodka or whiskey. 

4.  Practicing safe sex and limiting the number of partners you have may help reduce your chances of contracting HPV. There is a vaccine available against some strains of this virus which can be given to both men and women aged between 16-26. 

5.Applying sun screen or products containing protection against UV light.  

6.Regular dental check-ups to help detect early tissue changes.