Explore 42 conditions — symptoms, causes, and treatment options
Gastroesophageal reflux disease (GERD) is a chronic digestive disorder in which stomach acid or bile frequently flows ba…
Acute appendicitis is the most common abdominal surgical emergency, affecting approximately 1 in 1,000 people annually. …
Renal colic — the pain of a ureteric stone — is among the most severe pains in medicine, typically described as coming i…
Anaphylaxis is the most severe form of allergic reaction, driven by massive mast cell and basophil degranulation releasi…
Anxiety disorders are the most common mental health conditions in the United States, affecting approximately 40 million …
Aortic dissection occurs when a tear in the intima — the innermost layer of the aorta — allows blood under systemic pres…
Arrhythmia refers to any abnormality in the heart's rhythm — whether the heart beats too fast, too slow, or irregularly.…
Arthritis is a broad term encompassing more than 100 conditions that cause joint pain, swelling, and stiffness. It is th…
Asthma affects over 25 million Americans and is one of the most common chronic diseases of childhood and adulthood. It i…
Atrial fibrillation (AF) affects over 6 million Americans and is the most common cardiac arrhythmia requiring medical ma…
Chronic Obstructive Pulmonary Disease (COPD) is a progressive lung disease that makes it increasingly difficult to breat…
Chest pain is one of the most common reasons patients seek emergency medical care, and understanding its causes is criti…
Chronic kidney disease (CKD) affects approximately 37 million Americans and is a major driver of cardiovascular mortalit…
COPD is the third leading cause of death in the United States, affecting over 16 million Americans — with millions more …
Colorectal cancer (cancer of the colon or rectum) is the third most common cancer and the second leading cause of cancer…
Coronary artery disease (CAD) is the most common form of heart disease and the leading cause of death globally. Atherosc…
Crohn's disease affects approximately 780,000 Americans and is characterised by transmural, discontinuous inflammation t…
Heart disease is the leading cause of death in the United States, affecting millions of men and women across all age gro…
Heart failure is a chronic condition in which the heart muscle cannot pump blood efficiently enough to meet the body's d…
High blood pressure, or hypertension, is often called the "silent killer" because it typically causes no symptoms while …
A high-risk pregnancy is one in which the pregnant person or the developing baby has an increased chance of health compl…
A hypertensive emergency is defined by a severe elevation in blood pressure accompanied by acute end-organ damage — brai…
Hypothyroidism affects approximately 5% of the US population and is significantly more common in women and older adults.…
Post-traumatic stress disorder (PTSD) develops in approximately 20% of people exposed to a traumatic event — including c…
Pulmonary embolism (PE) occurs when a deep vein thrombosis (DVT) — usually from the leg or pelvis — breaks free and lodg…
Skin cancer is the most common cancer in the United States, with more than 5 million cases diagnosed annually. The three…
A stroke occurs when blood supply to part of the brain is cut off, either by a blockage (ischemic stroke) or a burst blo…
Stroke is the leading cause of long-term adult disability in the United States. An ischaemic stroke — accounting for 87%…
Thyroid disease encompasses a range of conditions affecting the thyroid gland — a butterfly-shaped gland at the base of …
Type 2 diabetes is a chronic metabolic condition characterized by high blood glucose levels resulting from the body's in…
Type 2 diabetes affects over 37 million Americans and is the seventh leading cause of death. Unlike type 1 diabetes, whi…
