Finally, the experimental protocol could also be improved by checking whether lifestyle influences the results, for example by dividing subjects into a physically active and inactive group
Although some studies support a link between MS and B 12 , others do not
Chang Y, Ganesh T, Horton JR, Spannhoff A, Liu J, Sun A, et al
## **Other relevant codes** - **J3420** - Injection, vitamin B-12 cyanocobalamin, up to 1000 mcg - **J1270** - Injection, doxercalciferol, 1 mcg - **J0600** - Injection, edetate calcium disodium, up to 1000 mg Frequently asked questions