In this episode we talk about how a B12 deficiency can literally cause your brain to shrink...it can rot your brain. We talk about how vitamin B12 is a common deficiency that a majority of people experience. We talk about three reasons why so many are deficient: Poor digestion Not eating enough Medications We also talk about the importance of getting the right kind of B12 since many on the market are synthetic and aren't found anywhere in nature. We also talk about how to keep your brain healthy as you age