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Hello, and welcome back to Everyday Science.
One of the commonest medical symptoms that sends people to their doctors is persistent fatigue. People report that they feel “tired all the time” so often that GPs give it the acronym TATT in patient notes.
There are many potential causes , but now, a study has suggested that two possible explanations should be considered more often – deficiencies of two B vitamins, called B12 and folate, also called B9.
For various reasons, including some growing health conditions and the popularity of veganism, it is becoming more common for people to be deficient in these vitamins. So, what are the signs and why are these nutrients so important?
