How to protect your eyes? Cholesterol can be prevented with a good diet, good hydration & exercise. A healthy diet rich in fruits and vegetables will provide you with antioxidants, lutein, zeaxanthin, vitamin C and E, reducing the fat in your bloodstream, the pressure in your veins and the likelihood of developing a cloth. Try to avoid red meats, drink at least 1.5lt of water daily and having a exercise routine, would also help to lower your cholesterol numbers and improve your health.