Why does the overuse of laxatives lead to metabolic alkalosis?

Loss of potassium: Diarrhea causes loss of potassium. The kidney excretes acid, (hydrogen ions) to conserve potassium. Loss of hydrogen ions (acid) causes metabolic alkalosis. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Drink enough water daily so that your urine is mostly colorless. Practice safe sex.