Sweet potatoes contain an enzyme that converts most of its starches into sugars as the potato matures.

African wild potato contains chemicals that might decrease inflammation.

African wild potato contains a chemical called beta-sitosterol, which seems to improve symptoms of BPH.

Brussels sprouts are full of cancer-fighting chemicals, while sweet potatoes contain cholesterol-lowering compounds.

A medium-sized baked potato contains around 161 calories - without the fixings.

Although it has three times the calories (150 vs. 52), the sweet potatoes also contain double the fiber (6 g vs. 3 g).

Researchers say potatoes contain a variety of potentially beneficial phytochemicals at similar levels as broccoli, spinach, and Brussels sprouts.

Sweet potatoes and carrots contain vitamin A, which helps keep eyes and skin healthy and protects against infection.

Thick peeling is not only wasteful but also results in a loss of some of the valuable nutrients which potatoes contain.

But lentils and potatoes contain only four calories per gram; fat contains nine.