It can enhance your performance and increase strength.
What drugs are dangerous for a pregnant lady?
Class A drugs are the drugs that are most dangerous for example cocaine. Class B drugs are the drugs that are mildly dangerous. Class C drugs are the drugs that are least dangerous for example cannabis.
There are lots and lots of websites and books that will help give you information on exercises and healthy diets that can help you build muscle without the use of drugs. I have included a couple of websites that I think will be of some help to you: http://ezinearticles.com/?Natural-Bodybuilding-Tips-To-Build-Muscle-Fast&id=562810 and http://ririanproject.com/2008/03/18/top-10-ways-to-build-muscle-mass-fast/
what are the danerous or harmful drugs
It will come slowly as you build muscle on the rest of your body. It will come slowly as you build muscle on the rest of your body.
Misuse of drugs is dangerous. Not keeping to the recommended dosage, especially not following your doctor's instructions, is also dangerous.
All drugs have negative and ill effects on the user, so using it with other drugs will yes, be dangerous
muscle
yes all drugs can be dangerous when used in an improper way. when they are used in a large quantity they can be lethal or they might not be directly harmful but can lead to events which are harmful and dangerous.
Drugs can definitely be incredibly dangerous. These drugs are body altering substances that the body does not typically naturally produce.
It takes quite a while to build muscle from walking, but it takes only a short time to build good strong leg muscle from jogging or running.