Dangers of Fasting for Weight Loss
Category Commons Cookbook Food portal, Health and fitness portal. Religious and cultural fasts are typically undertaken as an act of devotion, last from hours, and are not intended to promote weight loss. Nutrition experts agree that fasting is a potentially dangerous, and not particularly effective, way to lose weight. Two DASH trials were designed and carried out as multi-center, randomized, outpatient feeding studies with the purpose of testing the effects of dietary patterns on blood pressure. Researchers have also found that the DASH diet is more effective than a low oxalate diet in the prevention and treatment of kidney stones, specifically calcium oxalate kidney stones the most common type.
Keep in mind that the initial weight lost on a fast is primarily fluid or "water weight," not fat. And when you go back to eating, any lost weight usually gets a return ticket back.
Not only do most people regain weight lost on a fast, they tend to add a few extra pounds because a slower metabolism makes it easier to gain weight. Worse, the weight that is regained is likely to be all fat -- lost muscle has to be added back at the gym. Side effects of fasting include dizziness , headaches , low blood sugar , muscle aches, weakness , and fatigue. Prolonged fasting can lead to anemia , a weakened immune system, liver and kidney problems, and irregular heartbeat.
Fasting can also result in vitamin and mineral deficiencies, muscle breakdown, and diarrhea. When you drink laxative concoctions during a fast, there is an increased risk of fluid imbalance and dehydration. The risks get more complicated and severe the longer you stay on a fast, or if you repeatedly go on fasts. It sounds logical that fasting could cleanse your body of harmful substances that could cause a host of ailments like obesity , fatigue , and headaches.
But there is no scientific evidence that you need to fast to "cleanse" your body or remove toxins. Your body - specifically, the kidneys , liver , lungs , colon , and skin -- is perfectly capable of removing toxins itself. Nutrition experts agree that fasting is a potentially dangerous, and not particularly effective, way to lose weight.
Instead of a fast, opt for a healthy eating plan that you can stick with long-term Healthy diets provide a minimum of 1, calories and include a variety of fruits, vegetables, whole grains, low-fat dairy, lean protein, and healthy fats , along with regular physical activity. Her opinions and conclusions are her own. Dangers of Fasting for Weight Loss When you dramatically reduce your calorie intake, you will lose weight.
Continued Side effects of fasting include dizziness , headaches , low blood sugar , muscle aches, weakness , and fatigue. The primary outcome of the DASH-Sodium study was systolic blood pressure at the end of the day dietary intervention periods. The secondary outcome was diastolic blood pressure. Study results indicate that the quantity of dietary sodium in the control diet was twice as powerful in its effect on blood pressure as it was in the DASH diet.
As stated by Sacks, F. The DASH diet and the control diet at the lower salt levels were both successful in lowering blood pressure, but the largest reductions in blood pressure were obtained by eating a combination of these two i. The hypertensive subjects experienced an average reduction of From Wikipedia, the free encyclopedia. This article needs more medical references for verification or relies too heavily on primary sources. Please review the contents of the article and add the appropriate references if you can.
Unsourced or poorly sourced material may be challenged and removed. Department of Agriculture and U. Department of Health and Human Services Retrieved December 15, Department of Health and Human Services.
News Reveals Best Diets Rankings for ". The New England Journal of Medicine. A meta-analysis of individual data for one million adults in 61 prospective studies". Southern California Urology Institute. Retrieved 21 April From Clinical Trial to Dinner Table". Cleveland Clinic Journal of Medicine. The Cleveland Clinic Foundation. National Heart, Lung, and Blood Institute. Human nutritions and healthy diets. Omnivore Entomophagy Pescetarian Plant-based.
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