Consumer health basics
Learning Center
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
COVID-19 and pets: Can dogs and cats get COVID-19?
Find out how COVID-19 can affect dogs and cats, what you can do to protect your pet, and how to care for your pet if it becomes sick.
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.
White coat hypertension: When blood pressure rises in a medical setting
Blood pressure that measures high during a health checkup could be a risk factor for high blood pressure. Find out more.
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.
Ocular migraine: When to seek help
Flashes of light, zigzagging patterns and temporary blindness — what does it all mean?
Osteopathic medicine: What kind of doctor is a D.O.?
You know what M.D. means, but what does D.O. mean? What's different and what's alike between these two kinds of health care providers?
Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
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