What to ask for

A screener built on the MYCIN architecture — production rules, certainty factors, and the WHY explanation kept intact. It does not tell you what you have. Every conclusion terminates in a specific laboratory test to ask a clinician for, with the reasoning shown so you and they can both check it.

Nothing this page produces is a result, a finding, or a clearance. It is a list of questions and tests to bring to someone who can order them. Nothing you tick is stored or sent anywhere — your answers live in the URL and nowhere else.

What you notice Persistent tiredness not explained by sleep Unusual paleness noted by the person or others Craving ice, dirt, starch or other non-food Numbness, tingling or pins-and-needles in hands or feet Balance noticeably worse, or unsteady in the dark Sore, smooth or beefy-red tongue Bruises from knocks that would not normally bruise Deep aching in bones, hips, ribs or shins Muscle cramps or twitching Fluttering or racing heartbeat Hair thinning or falling out Cuts and grazes heal slowly Food tastes flat or smells faint Notably poor vision in low light Heavy or prolonged menstrual bleeding

Sun and skin Little or no direct midday sun for months Darker skin, which raises the sun exposure needed Usually covered when outdoors

Diet, medicines, circumstances No animal foods at all Regular heavy alcohol use Takes metformin Takes a proton-pump inhibitor long term Takes a loop or thiazide diuretic Has had bariatric surgery Pregnant or planning pregnancy Regularly short of food or skipping meals

Educational only. This is a frame for thinking about food, not medical or dietary advice, and it does not replace a clinician or a pharmacist. Where a state names a drug interaction, the mechanism and its citations live in interactions-data.mjs — read those before relying on any of it.

This is a screener, not a diagnosis, and it cannot establish any medically determinable impairment. It produces a list of questions and specific tests to bring to a clinician. Nothing here is a finding, a clearance, or a result. If any page renders this as a conclusion about a person, that page is wrong.