Here's a classic deficiency case: "The onset of symptoms of scurvy depends on how long it takes for the person to use up their limited stores of vitamin C. For

Here's a classic deficiency case: "The onset of symptoms of scurvy depends on how long it takes for the person to use up their limited stores of vitamin C. For example, if the diet includes no vitamin C at all, the average onset of symptoms is about four weeks" http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Scurvy http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pag...