Vitamin B12 is one of the essential vitamins our body uses for proper nerve function, red blood cell production, and brain function. Unlike some vitamins our body can synthesise independently ...

According to the NIH, people aged 14 years and over require 2.4 mcg of vitamin B12 daily. People who are pregnant require up to 2.6 mcg, while those who are nursing require up to 2.8 mcg.

Are iPads better than Android tablets? Find out how to choose the best tablet for you and at any budget.

Listen to over 2,000 programmes Click above to browse castaways, from 1942 to today. Or use the BBC search to find a castaway. To search, type ‘Desert Island Discs’ plus the castaway’s name.

A mean corpuscular volume (MCV) is a type of blood test that measures the size of your red blood cells. A low MCV means that your red blood cells are smaller than average, possibly indicating iron ...