Healthy diets
Learning Center
Clinical depression: What does that mean?
The term "clinical depression" means severe, persistent depression. It's also called major depression or major depressive disorder.
Reactive hypoglycemia: What can I do?
Reactive hypoglycemia is low blood sugar that happens after eating.
Cigar smoking: Safer than cigarette smoking?
Despite what you might think, cigars aren't that different from cigarettes. Like cigarettes, cigars contain nicotine, tobacco and cancer-causing chemicals.
Foot swelling during air travel: A concern?
Swelling of the leg or foot while flying is common and usually harmless.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Pyloric stenosis
In this condition, a valve between an infant's stomach and small intestine fails to open enough for food to pass through. Surgery is the treatment.
Ocular migraine: When to seek help
Flashes of light, zigzagging patterns and temporary blindness — what does it all mean?
Butter vs. margarine: Which is better for my heart?
Margarine usually tops butter for heart health. But not all margarines are created equal.
Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
Priapism
Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.