View Can Your Blood Type Change From O To A Background. And one test can show one blood type, another test the other. The key to changing blood types may be in the gut.

But in an emergency, o negative can be used by anyone with.

The leading reason for weight gain among type o's is the gluten found in wheat products and, to a lesser extent, lentils, corn, kidney beans, and cabbage. Learn vocabulary, terms and more with flashcards, games and other study tools. Type o people with type o blood fare best on intense physical exercise and animal proteins and less well on dairy products and grains. Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation.