The main reasons for constipation
are not eating enough fiber
and not drinking enough water. Eat foods high in fiber, like fruits, vegetables, bran, and whole-wheat items.
will help prevent constipation. Limiting milk and high-fat foods can help as well. Drink more water than any other liquid, such as coffee and soda, which can dehydrate you and cause constipation.
Answer assisted by Theresa Yang, Medical Student