There are actually no right or wrong exercise to stay healthy. Just a balance healthy diet and physical activity is very important. You don't have to go to the gym to stay physically fit; you do exercise by gardening or just by cleaning the house.
Artificial sweeteners promote weight gain by tricking your body into thinking it will receive sugar (calories); when the sugar doesn't arrive, carb cravings can result.
Everyone's high cholesterol treatment plan is different. Some people may be able to bring down their LDL, or "bad," cholesterol levels with regular exercise and a healthy diet. Others, however, may not see any progress with such lifestyle changes.