Zavatone-Nam-iOS

Cancer feeds* on glucose

I feed
you feed
it feeds
they feed

Cancer qualifies as an "it", so you use it "feeds".

Also, avoided*, not avioded.

Dude. Scientists*

Let's*

How do you not know this? Seriously.

If you can't handle 3rd grade English, how can you expect people to trust you with more complicated matters?

life* not Life

Don't randomly capitalize words. English doesn't work that way.