According to the Michael Thurmond plan, body type A has the slowest metabolism, and people with this body type have likely struggled with excess weight for a lifetime. The 6 Wee… See more

The body type B dieters in the program are characterized by being able to build lean muscle. Body type Bs still have a slowed metabolism and should avoid complex carbs, suc… See more

Body type C is similar to body type B, according to the program, but body type C has a faster metabolism. As with body type B, body type C builds lean muscle easily. The body t… See more

Thurmond's plan characterizes body type D by a slow metabolism and lack of significant muscle mass. The body type D diet includes red meats for protein. Body type D people sho… See more