Daffodils grown by a Welsh sheep farmer could be used to help more than 225,000 patients with Alzheimer’s disease.

Kevin Stephens’ flowers produce unusually high amounts of galantamine, which can slow down the progress of the devastating disease.

Scientists believe the daffodils, grown in the Black Mountains in Wales, have more of it due to the stress they are placed under having to endure harsh winters at 1,200ft.

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