Voltaire — To learn who rules over you, simply find out who you are not allowed to criticize
Thursday, November 8, 2012
A new study reveals that black Americans display lower levels of vitamin D and greater pain sensitivity compared to white Americans
Vitamin D deficiency may be one of many factors that account for increased pain in older black Americans with knee osteoarthritis (OA). One study estimates that 95% of black Americans compared to 70% of white Americans have low levels of vitamin D.