Throughout most of human history, the main threats to human life and health have been the germ diseases: smallpox, bubonic plague, tuberculosis, dysentery, influenza, typhoid fever, etc. In the developed world these diseases have been mostly eradicated over the past century, and a new set of diseases have become the main causes of debility, illness and death.

We’re not sure why B12 shots for the elderly fell out of favor, but it may be time to reconsider the need and start increasing the daily amount of oral supplemental B12 since deficiency is pandemic in older adults due to age-related decreased production of gastric intrinsic factor necessary for absorption of vitamin B12 in the small intestine.  

Sunlight is the light of life. It's as important as air and water and it'is the best source of Vitamin D. We all need 10-15 minutes a day of sun on as much skin as we can legally get away with exposing, while wearing our sun glasses.