1. quit smoking cigs
2. quit opium
3. quit smoking weed - get a vaporizer and use it responsibly
4. eat fresh fruits and veggies, preferably organic
5. do something that is fulfilling, like a job or volunteering or a new hobby
6. quit alcohol if you're drinking that
7. try wormwood extract, look it up online as "artemisinin", it's supposed to be a natural cancer cure (don't laugh, there's research being done)