There's emerging evidence that a compound called choline could play an under-appreciated role in our health – and particularly in the functioning of our brain.

New research suggests low blood levels of choline in obese people could contribute to brain ageing and potentially trigger the kind of neurodegenerative changes that can lead to Alzheimer’s disease.

This study finding, along with others looking at choline’s role in preserving memory and bone health, and avoiding depression and anxiety, has led some scientists to class choline as a “wonder nutrient” that “has been hugely overlooked”, said BBC Future .

What is choline?

Choline is a nutrient that essential to our health. It’s not a vitamin or a mineral but an organic compound that’s closely related to the B-vitamin group.

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