3rd shift workers have increased mortality\risk of cancer, largely due to Vitamin D deficiency. I agree Jefferson's statement is accurate. Nowadays we know vit

3rd shift workers have increased mortality\risk of cancer, largely due to Vitamin D deficiency. I agree Jefferson's statement is accurate. Nowadays we know vitamin D exists so you can take a supplement or consciously eat certain foods (oily fish such as sardines http://www.seriouseats.com/2010/01/alton-browns-sardine-avocado-sandwich-diet.html http://www.seriouseats.com/2010/01/alton-browns-sardine-avoc...)