Dear Dr. Donohue: I am 29 years old. I suffer from extreme obesity. At the age of 17, I started eating laundry starch. I consume about a 1-pound box once a week. What makes me do this? Does it add to ...

The name "starch" comes from its primary ingredient—cassava starch, which is extracted from cassava tubers. Starch is a type of swallow made from processed cassava. Unlike other cassava-based swallows ...