Start reading here and see where it takes you.
http://freetheanimal.com/2013/12/resistant-primer-newbies.html
There are a lot of places. Read the comments, follow links that attract you. It’s late so I’m just giving you a point to start your research.
Thanks brother! I heard a Doctor fellow on the radio saying something similar to what you wrote in the thread, and got interested. I really do need to start eating healthier.