Why are many fad diets considered unhealthy?

A. Because they may not provide all of the nutrients your body needs

B. Because they often promise quick weight loss

C. Because people typically find it difficult to keep lost weight off

D. All of the above

D?

3 answers

ANYONE HELP PLEASEE
Please have patience, Aya.

Yes, you're right.
sorry! but thank you sooo much! :3 :)