There must be harm. Because it's harmful to the secretory system in your body. Losing weight does not depend on drugs or slimming tea, aerobic exercise or yoga. To lose weight, you must have an exercise plan and stick to your eating habits. First of all, pay attention to your diet! Don't eat those high-calorie and high-energy foods, such as fried chicken, French fries and so on! Eat more vegetables, protein food! Then you must have a certain exercise plan, such as running for 3~5 kilometers in the morning! There will be some jumping exercises in the afternoon! Take a digestion jog for 30 minutes after dinner in the evening! You can also drink some small laurel lotus leaf tea at ordinary times. Lotus leaves help to lose weight and eliminate fat healthily. But the most important thing is perseverance and endurance.