What is a peak expiratory flow rate test? The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow. This test is commonly performed at home with a handheld device called a peak flow monitor. For the PEFR test to be useful, you must keep continuous records of your flow rate.
Get more fiber in your diet. Soluble fiber (such as that found in apples, oats, and cherries) lowers insulin levels which can speed up the burning of visceral belly fat. 1  Add fiber to your diet slowly. 2  If you are currently getting 10g of fiber a day, don't jump to 35g of fiber the next day.
Fast food is the worse type of food to eat when you're trying to lose belly fat. Those burgers, shakes and fries have large amounts of calories, fat and carbohydrates. None of these things are nutritious. Most fast food is cooked in fatty oils. This type of oil contributes to obesity, a leading cause of health problems.