Fad diets are well balanced diets that promotes a long term compliance conductive with a healthy life style.
A low calorie diet is a diet that provides extremely low calories to lose weight. it can be unbalanced and cause problems
You didn't really provide us with a list of the following diseases, however, it's safely to say that communicable diseases have many causes and they themselves are varied, with new types being discovered on a yearly basis. One type of organism which causes a communicable disease is a virus. However, they are not only limited to viruses!
D. having an undiagnosed mental or physical condition.
Uhh because they can kill you lol
Use a foam roller and/or stretch.