Professors Brian Wharton and Ian Booth, from the Institutes of Child Health in London and Birmingham, warned that in people with vitamin B12 deficiency, consumption of folic acid may mask a condition called megaloblastic anaemia - which if not picked up can lead to degeneration of the spinal cord.

BBC: Caution urged over folic acid

Factors associated with increased serum uric acid levels, such as increased alcohol consumption and purine intake, or use of diuretics, were associated with increased risk for recurrent gout attacks.

FORBES: Can Eating Cherries Prevent Gout Attacks?