Disease Library
80 structured guides to diseases and conditions, each covering symptoms, diagnosis, laboratory tests, treatment and prevention in the same order.
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Understand your health with confidence.
Clear, evidence-based explanations of diseases, laboratory tests and symptoms, written in plain language.
Find what you came here to understand
Look up a specific condition, or build understanding one pillar at a time.
Understanding Diagnostic Tests
What your test results actually mean, how reference ranges work, and why a particular test gets chosen in the first place.
Understanding Symptoms & When to Seek Care
How to make sense of what your body is telling you, and when it is time to see a doctor rather than wait it out.
Disease Prevention Basics
The everyday choices, vaccines, and screenings that lower your risk long before anything goes wrong.
Popular disease guides
Malaria
CausePlasmodium species
Typhoid Fever
CauseSalmonella enterica serotype Typhi
Dengue Fever
CauseDengue virus (four serotypes)
Tuberculosis
CauseMycobacterium tuberculosis
Hypertension (High Blood Pressure)
CauseA combination of genetic, lifestyle, and health factors that cause the pressure in the blood vessels to remain persistently high
Type 2 Diabetes
CauseA combination of insulin resistance and reduced insulin production by the pancreas, causing blood sugar levels to rise over time
Recently reviewed
Understanding Air Pollution & Respiratory Health
Why household air pollution affects billions of people, what fine particulate matter actually does inside the body, and the practical steps that meaningfully reduce exposure.
Understanding Colonoscopy & Colorectal Cancer Screening
Why colorectal cancer screening can prevent cancer rather than just detect it, what the different screening options actually involve, and why the recommended starting age was lowered.
Understanding Dizziness & Vertigo
Why 'dizzy' means several genuinely different things, what separates the spinning sensation of vertigo from lightheadedness or unsteadiness, and the signs that mean it needs urgent attention.
Clear answers, grounded in science, written for people.
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Clarity first
Complex medical knowledge in plain language, so you leave understanding more than when you arrived.
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Grounded in science
Every disease guide is built on established medical and diagnostic science and lists the references it draws on.
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Education, not diagnosis
We explain; we never diagnose or treat. For your own health, a qualified healthcare professional is always the right next step.
More libraries on the way
- Laboratory Tests
- Symptoms
- Medicines
- Body Systems
- Medical Dictionary