Nutritional supplements
Learning Center
Nervous breakdown: What does it mean?
Nervous breakdown isn't a medical term. It most often means a mental health crisis that affects your ability to meet your own needs and do daily tasks.
Sensitive teeth: What treatments are available?
Know what causes sensitive teeth and effective treatments.
Nausea during pregnancy: A good thing?
Nausea during pregnancy, also called morning sickness, is common. Understand what nausea and vomiting might mean for your pregnancy.
The dawn phenomenon: What can you do?
Take steps to prevent this early-morning increase in blood sugar.
Too much vitamin C: Is it harmful?
Vitamin C is an essential nutrient, but too much carries its own risks.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Vitamin D toxicity: What if you get too much?
Understand the risks of too much vitamin D, including a toxic reaction.
Multiple sclerosis: Can it cause seizures?
Seizures occur more often in people with multiple sclerosis than in the general population.
Breastfeeding strike: Why do babies refuse to nurse?
Understand why babies sometimes refuse to breastfeed and what you can do about it.
Pulse pressure: An indicator of heart health?
Pulse pressure may be a strong predictor of heart problems, especially for older adults.
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