Health questions, answered simply
Plain-English articles by department and system of medicine. Every article lists the official sources it is based on, such as the WHO, NIH, CDC, NHS and the Ministry of Ayush.
Educational information only, not medical advice. Always ask a qualified doctor about your own health. In an emergency call 112 (India) or 911 (US). Disclaimer.
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281 sourced articles · page 11 of 12Low blood sugar (hypoglycemia): symptoms, causes and safety
Low blood sugar can cause shakiness, confusion and, if severe, loss of consciousness. This guide covers the signs, common causes, general treatment steps and prevention.
4 min read · 19 Oct 2026Diabetes and thyroidWho should be tested for diabetes? Screening and diagnosis
Diabetes is diagnosed with blood tests, and some people should be tested even without symptoms. This guide explains who, when and which tests are used.
3 min read · 19 Oct 2026Diabetes and thyroidHbA1c (A1C) test: what it measures and what results mean
The A1C test reflects average blood sugar over the past 3 months and is used to find and track diabetes. This guide explains the ranges and what can make results unreliable.
4 min read · 19 Oct 2026Diabetes and thyroidGestational diabetes: risks, testing and care in pregnancy
Gestational diabetes is raised blood sugar that appears during pregnancy and usually settles after birth. This article covers risk factors, testing, care and follow-up.
4 min read · 19 Oct 2026Diabetes and thyroidPrediabetes: symptoms, risk factors, tests and prevention
Prediabetes is a stage where blood sugar is raised but not high enough to be called type 2 diabetes. This guide explains who is at risk, how it is found and what may help delay di…
4 min read · 19 Oct 2026Diabetes and thyroidType 2 diabetes: what it is, who gets it and how it is managed
Type 2 diabetes is the most common form, in which the body does not use insulin well. This article explains risk factors, symptoms, diagnosis and the general ways it is managed.
3 min read · 19 Oct 2026Diabetes and thyroidType 1 diabetes: causes, symptoms, testing and daily care
Type 1 diabetes happens when the immune system destroys insulin-making cells, so insulin must be given every day. This article covers causes, symptoms, diagnosis and the main part…
3 min read · 19 Oct 2026Diabetes and thyroidDiabetes symptoms: early signs and when to see a doctor
Diabetes can cause thirst, frequent urination, tiredness and blurred vision, but type 2 diabetes often causes no symptoms at all. This guide explains what to watch for and when to…
3 min read · 19 Oct 2026Diabetes and thyroidWhat is diabetes? Types, causes and how it is managed
Diabetes is a condition in which blood sugar stays too high because the body makes too little insulin or cannot use it well. This guide explains the main types, risk factors and t…
4 min read · 19 Oct 2026Heart careRheumatic Heart Disease: Causes, Symptoms and Prevention
Rheumatic heart disease is lasting damage to the heart valves after rheumatic fever. This article explains how it starts, the symptoms, how it can be prevented and treated.
3 min read · 19 Oct 2026Heart careHeart Disease Risk Factors: What You Can and Cannot Change
Heart disease risk comes from a mix of things you can change and things you cannot. This article lists the main risk factors and explains why knowing them matters.
3 min read · 19 Oct 2026Heart careHow to Prevent Heart Disease: Healthy Habits That Protect Your Heart
Many heart and blood vessel diseases can be prevented with healthy habits and early checks. This article explains the steps recommended by the WHO, CDC and NHS.
3 min read · 19 Oct 2026Heart carePeripheral Arterial Disease (PAD): Leg Pain, Causes and Care
Peripheral arterial disease is when fatty deposits restrict blood flow to the leg muscles. This article explains symptoms, causes, tests, care and warning signs.
3 min read · 19 Oct 2026Heart careHeart Valve Disease: Symptoms, Causes, Tests and Treatment
Heart valve disease means one or more heart valves do not work as they should. This article explains types, symptoms, causes, tests and care.
3 min read · 19 Oct 2026Heart careCardiomyopathy: Types, Symptoms and How It Is Managed
Cardiomyopathy means diseases of the heart muscle that affect how well the heart pumps. This article explains the main types, causes, tests and treatment options.
3 min read · 19 Oct 2026Heart carePacemaker: Why It Is Fitted and What Living With One Is Like
A pacemaker is a small device placed under the skin of the chest to help control the heartbeat. This article explains why it is used, how it is fitted and what to expect afterward…
3 min read · 19 Oct 2026Heart careAngioplasty and Stent: What the Heart Procedure Involves
Angioplasty with a stent opens narrowed arteries that supply the heart. This article explains why it is used, what happens during the procedure and what recovery involves.
3 min read · 19 Oct 2026Heart careCoronary Angiogram: Why It Is Done and What to Expect
Coronary angiography is an X-ray test that uses dye to show the blood vessels of the heart. This article explains why it is done, how it works, recovery and the risks.
3 min read · 19 Oct 2026Heart careHolter Monitor: What the 24-Hour Heart Rhythm Test Involves
A Holter monitor is a small portable device that records the heart's rhythm for 24 to 48 hours. This article explains why it is used, how to wear it and what to expect.
3 min read · 19 Oct 2026Heart careTreadmill Test (TMT): Why It Is Done and What to Expect
An exercise stress test, often called a treadmill test or TMT, records your heart while you exercise. This article explains why it is done, how to prepare and what results may sho…
3 min read · 19 Oct 2026Heart careEchocardiogram (Echo) Test: What It Shows and What to Expect
An echocardiogram is an ultrasound scan of the heart. This article explains the main types, why doctors use it, what the scan involves and what to expect afterwards.
3 min read · 19 Oct 2026Heart careECG Test: What It Is, How to Prepare and What to Expect
An electrocardiogram (ECG) is a quick, painless test that records the heart's rate and rhythm. This article explains the types, how to prepare and what to expect.
3 min read · 19 Oct 2026Heart careCoronary Heart Disease: What It Is, Symptoms, Tests and Care
Coronary heart disease, also called coronary artery disease, is when fatty deposits narrow the arteries that supply the heart. This article explains causes, tests, care and preven…
3 min read · 19 Oct 2026Heart careAngina: Chest Pain Symptoms, Causes and Treatment Explained
Angina is a feeling of pain or tightness, usually in the chest, caused when the heart does not get enough blood. This article explains symptoms, causes, tests and care.
3 min read · 19 Oct 2026Departments
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