Answer:
Diseases of the immune system are especially dangerous because they attack the very cells that destroy other diseases. AIDS (auto immunodeficiency syndrome) basically makes the immune system kill itself. Basically, white blood cells kill other cells, (including its own white blood cells) instead of killing viruses or bacteria, in turn making your immune system very weak. If your immune system is weak, a simple cold can turn into a nightmare, and can even result in death.
Your stressing your self out, you will wont start to lose your muscle mass
Google it and you may find your answer
It depends on what is being said. Theres all kinds of drama. Not all of it is bad
Ab example of the training principle of change in frequency is Adjusting the duration
