Vitamin B12 deficiency: Vision that is disturbed and a twitching eye are warning signs
| UPDATED: 15:56, Thu, Dec 24, 2020 Link copied Sign up for FREE health tips to live a long and happy life SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. Vitamin B12 is a crucial ingredient for the healthy running of the body, as it's needed to make red blood cells. Signs of a deficiency can develop very slowly, so it may...