All excesses are bad and junk food case. If you eat these types of preparations from time to time, have no significant negative effects on health. But if these foods are consumed often, can affect your health causing the appearance of different diseases such as dyslipidemia, obesity and cardiovascular disease.
Fats containing junk food are metabolized by the body and causing blood to pass through different mechanisms, increased blood cholesterol and triglycerides, as well as weight gain. It is therefore important to control the food you eat and how often you eat.
As for exercise, it is extremely important in reducing cholesterol, glucose and weight loss. Physical activity suggested to treat these metabolic diseases is aerobic exercise. It increases metabolism, burning fat and regulating cholesterol levels, triglycerides and blood glucose.
Keep in mind that from time to time can give you a taste, as long as you maintain a healthy diet and practicing regular physical exercise.