Symptoms: which tests and measurements explain them
A symptom is not a diagnosis, but it is a clue about what to measure. Each guide in this section starts from a specific complaint, explains which tests and measurements are usually reviewed and what is worth recording before an appointment. With sources, without promises.
Not losing weight despite doing everything right: what to measure and test
Why you are not losing weight despite doing everything right: how to measure the real trend in four weeks, what may hold it back and which tests to ask for.
Brain fog: what it is, which causes can be measured and which tests to ask for
You think slowly, words slip away, you cannot focus. Which part of brain fog is measured at home, which blood test makes sense to ask for and when not to wait.
Tingling in hands and feet: causes, which tests to ask for and when not to wait
Tingling in hands and feet: why the pattern (where, when, with what) says more than a random blood test, which tests are considered and when not to wait.
Sleepy after meals and craving sugar: glucose, insulin and the pattern almost nobody measures
Sleepiness after meals, sugar cravings and the afternoon crash: what is normal, what points to glucose and insulin, which tests measure it and how to log it at home.
Fatigue: causes and which tests to ask for
You have been tired for months and the blood tests you had came back normal. Which tests are usually checked first, what they tend to show and how to log your fatigue so the appointment is useful.
Frequent headaches: causes, what to measure at home and when to worry
Your head hurts several times a month and the blood test came back normal. Why it almost never shows in the blood, what you can measure at home (days with pain, blood pressure, sleep, caffeine, cycle) and which signs cannot wait.
Hair loss: causes and which tests to ask for
You are losing more hair than usual and do not know whether to ask for a blood test, see a dermatologist or wait. The three tests usually checked (ferritin, TSH, blood count), the timeline that explains most cases and how to log it.