If you aren't checking yourself then you may have a problem. For example you could have testicular cancer and you wouldn't know without feeling an unusual bump in that area.
I’m pretty sure they included more than one independent variable.
Steak is high is Vitamin B. B-12 and B-6 are the high ones. B-12 can also be known as Cobalamin.
You won't distract the driver as much, you'll start following more rules wearing seatbelt, etc.
