Vitamin B12 deficiency is a common health problem that can have serious consequences – but doctors often overlook it

(The Conversation) - For several months during the summer of 2022, my dog Scout vomited at 3 a.m. nearly every day. If you have a dog, you know the sound. And each time, she gobbled up her mess before I could get to it, making diagnosis of the cause difficult.The vet and I eventually settled on my hydrangeas as the source of the problem – but keeping Scout away from them didn’t work. She started to seem tired all the time – highly concerning in a typically hyper yellow Lab pupp