Nutritional supplements
Learning Center
Vitamin D toxicity: What if you get too much?
Understand the risks of too much vitamin D, including a toxic reaction.
Vitamin D deficiency
What are the risks of too little vitamin D?
Vitamin C: An essential nutrient
Vitamin C is a water-soluble vitamin that supports normal growth and development and helps your body absorb iron. Because your body doesn't produce or store vitamin C, it's important to include vitamin C in your diet. For most people, an orange or a cup of strawberries, chopped red pepper, or broccoli provides enough vitamin C for the day.
Viral gastroenteritis (stomach flu)
This condition, often called stomach flu, is usually harmless, except for infants and people with immunosuppression. Symptoms can usually be managed.
Video: Vagus nerve stimulation
Watch how vagus nerve stimulation works.
Video: Using a metered dose asthma inhaler and spacer
Watch this video to see how to use a metered dose asthma inhaler and spacer.
Video: Tendon transfer to repair rotator cuff
A torn rotator cuff is sometimes repaired with a tendon from your back.
Video: Sleeve gastrectomy
Sleeve gastrectomy involves removing part of the stomach. The remaining section is formed into a tube. This tube can't hold as much food.
Video: Roux-en-Y gastric bypass
In this type of gastric bypass, the surgeon creates a small pouch at the top of the stomach, greatly limiting the amount of food the stomach can hold.
Video: Reverse shoulder replacement
Reverse shoulder replacement may be needed if your rotator cuff is severely damaged.
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