Exercise at least 3 times a week for 30 minutes
Get more Sleep, a minimum 7 to 8 hours a night
Drink more water, about 2 litres a day
Eat more fruits and vegetables, try juices or smoothies.
Replace white bread, pasta etc with the wholegrain variety
Reduce bad fats and sugars
Look after your emotional health by reducing stress, try a yoga class
Have a positive outlook and try to avoid negative people