Laxatives vary based on how they work and the side effects they have. Certain stimulant, lubricant and saline laxatives are used to evacuate the colon for rectal and bowel examinations, and may be supplemented by enemas under certain circumstances. Sufficiently high doses of laxatives may cause diarrhea.
Most vegetables, with the exception of onions, mushrooms and tomatoes, should be blanched briefly before being dehydrated to limit discoloration and the risk of food-borne illnesses. You can dehydrate tomatoes, carrots, beets, greens, beans, squash, onions, peas, celery, corn, pumpkin and broccoli with good results.
For example, for maintaining good blood sugar levels, my doctor recommends a diet rich in healthy protein and fats, lower in carbohydrates, and plenty of low-carb produce. But beyond the general principles, there are some wonderful foods that specifically help keep blood sugar levels in a healthy place.