About Harold Oster

Harold Oster is a recently retired internist in Minnesota. He has published a book, The Three Rules to Lose Weight and Keep It Off Forever. Purchase it here. His wife, Angela, is the best ophthalmologist around, and his son is a software engineer. Harold is on the left.

I may receive a commission if you purchase an item I link to on Amazon. See the disclosure for more information.

Haroldoster.com is a site to learn about health, medicine, cooking, and a little about a few of Harold’s favorite topics. He may review products, tell you when something is worth the money, or whatever pops into his head.