How do drugs work?

Drugs are designed to help with acute situations.  They are not intended to be taken for the rest of your life, except in rare circumstances.  Most drug marketing will include reasons to take a pill, but if you look for the small print you will also find that they recommend lifestyle changes as well.  When you add external chemicals to your body, your body becomes dependent on the “external crutch” and the bodies natural ways of handling the situation becomes suppressed.  Here is a link to check out:

http://www.merck.com/mmhe/sec02/ch013/ch013d.html