Nutrition basics
Learning Center
Female orgasm: No climax with vaginal penetration?
Not all women have orgasms with vaginal penetration during sex. Most women need stimulation of the clitoris to climax.
Fiber supplements: Safe to take every day?
Fiber supplements are one way to add fiber to the diet. Here are some tips for using them safely.
GLP-1 agonists: Diabetes drugs and weight loss
Noninsulin drugs for diabetes improve blood sugar control and may also support weight loss.
Heartburn medicines and B-12 deficiency
Acid-controlling medicines may do more than prevent heartburn. They also may keep vitamin B-12 from being absorbed.
Heavy periods: Can folic acid help?
Heavy periods may cause iron deficiency anemia. Folic acid supplements can't treat that.
High cholesterol in children: How is it treated?
High cholesterol in children can lead to narrowed and hardened arteries, increasing the risk of heart disease later in life.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
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.
Hypothyroidism diet: Can certain foods increase thyroid function?
There's no evidence that eating or avoiding certain foods will help the thyroid work better in people with underactive thyroid.
Hypothyroidism: Can calcium supplements interfere with treatment?
Calcium supplements can interfere with how the body absorbs medications used to treat hypothyroidism.
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