Diet and Exercise... Without knowing the rest of the results of your cholesterol profile(nor, if it was a fasting specimen) i would recommend a healthier diet; exercise 20-30 minutes 3-4 times/week, and drink more water. Eliminate fried and fatty foods and begin an omega-3 fatty acid supplement(you can eat some baked or steamed salmon 3-4 times/weed if you'd rather). Then check back with your doctor for a true sampl.
Exercise. There are 2 ways to address this: medications and non-medications. Talk with your doctor about what medications might be best for you. Non-medication things to do include a low saturated fat (meat and dairy) diet, a diet rich in unsaturated fats (olive oil, etc), high fiber with lots of fruits and vegetables, and cardiovascular exercise 4-5 days/week for at least 40 minutes/day (this is key.).