Nutrition basics
Learning Center
Isolated systolic hypertension: A health concern?
Both the top and bottom numbers in blood pressure readings hold clues about your health. But if just the top number is high, it might be a concern.
Hypothyroidism and infertility: Any connection?
For women, there's sometimes a link between having an underactive thyroid gland (hypothyroidism) and infertility.
Hyperinsulinemia: Is it diabetes?
Hyperinsulinemia often is associated with type 2 diabetes.
How to track saturated fat
Knowing how much saturated fat is in the foods you eat can help you meet your health and nutrition goals.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
Hemorrhoids during pregnancy: What's the best treatment?
Know how to relieve painful, swollen veins in the anus and rectum during pregnancy.
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.
Heart cancer: Is there such a thing?
Although heart tumors do occur, the vast majority of them are noncancerous (benign).
Headaches during pregnancy: What's the best treatment?
Here's help with preventing or easing this common type of pain while you're pregnant.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
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