Nutrition basics
Learning Center
Underweight? See how to add pounds healthfully
If you're underweight and not happy about it, try these tips to help you achieve your goal weight.
Low blood sodium in older adults: A concern?
For older adults, low blood sodium, known as hyponatremia, can cause death if left untreated.
Diabetes foods: Can I substitute honey for sugar?
Generally, there's no advantage to substituting honey for sugar in a diabetes eating plan.
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.
Sea salt vs. table salt: What's the difference?
Should you take health claims about sea salt with a grain of salt? What makes it different from table salt?
Vitamins for MS: Do supplements make a difference?
Can vitamin supplements improve MS symptoms?
Should I make changes to my diet if I've been diagnosed with atrial fibrillation?
If you have A-fib, you may need to avoid certain foods or drinks. Know when and why you may need to change your diet.
Coconut water: Is it super hydrating?
This drink is promoted as "super hydrating." But is it really any better than plain water?
Loss of taste and smell: Natural with aging?
Aging can play a role in the loss of taste and smell — but not always.
Eggs: Are they good or bad for my cholesterol?
Get the latest information about eggs, cholesterol and heart disease.
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