Causing an opposite effect on the immune system may also be helpful. We are often mislead by the term alternative. This does not necessarily mean that they do any of the things we would like them to do. Alternative treatments can be very expensive, may produce little if any real results, and can sometimes cause severe side effects. Your best bet is to look at all treatments the same - whether they are called alternative or traditional.
Drug companies sell drugs to make profits.
But the profits are also used to make money to pay for the research and other costs of developing the drug in the first place. It costs money to make something. Through expanded access programs, some drug companies will provide drugs to people who have no insurance or can't afford them. Most drugs that are tested in clinical trials don't ever make it all the way through to being approved as treatments. Only one in ten drugs makes it through the entire process.