What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...

B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

Trigger point injections may help relieve chronic muscle pain, including pain in your neck. These injections target “knots” in your muscles called trigger points that can cause pain, stiffness, and ...

DEAR DR. ROACH: I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the intrinsic factor ...