Turkey Tail mushrooms (Tramates versicolor) are a common white-rot polypore found all throughout the world. They can be seen growing out of dead wood on the forest floor year round. These mushrooms are easy to identify and can be collected, dried, ground, and used to make a medicinal tea.
Surprisingly, these common mushrooms may have the potential to save lives and improve the well-being of anyone willing to try it. Researchers lately have been investigating it as a potential aid in the fight against cancer.
In conjunction with conventional cancer treatments, what these guys seem to do is give the user's immune system a boost by supporting the production and livelihood of killer t cells (Chemotherapy has the unfortunate side effect of destroying these helper t cells). Because of this, they are also very useful for those individuals that suffer from autoimmune disorders.
You can see the published results of one study that looked at how Turkey Tail assisted treatment affected breast cancer treatments here.
For more information, check out this amazing video which talks about different fungi including Turkey Tails. Paul Stamets' mother has treated for breast cancer with Turkey Tail assisted chemotherapy.
(You may want to skip towards the 8 minute mark of the video unless you are especially interested in other fungi and their uses, which i recommend because it's incredible!!)