Atrial fibrillation (AFib) is the most common problem with your heartbeat's rate or rhythm. Your heart has four chambers – two upper chambers called atria and two lower called ventricles. Inside the ...

Cold sores are caused by the herpes simplex virus, usually herpes simplex virus type 1 (HSV-1). There is little to no evidence that specific foods trigger outbreaks. Common cold sore triggers include ...

Once you’ve had one gout flare, you really don’t want another. Gout is a common type of arthritis that's very painful. It often affects the big toe but can also attack the knees, ankles, elbows, and ...

Headaches fall into two groups: primary headaches (the headache is the condition) and secondary headaches (a symptom of another problem), with episodic and chronic patterns. Common headache types have ...

Colleen Murphy is a senior editor at Health. She has extensive experience with interviewing healthcare providers, deciphering medical research, and writing and editing health articles in an ...

Design a normalized schema (3NF/BCNF) for Products, Warehouses/Locations, Inventory_Levels, Suppliers, Purchase_Orders, Sales_Orders, Audit_Logs, etc. Utilize advanced data types, constraints (CHECK, ...