Nutrition basics
Learning Center
Vitamins for MS: Do supplements make a difference?
Can vitamin supplements improve MS symptoms?
Vitamin D and MS: Is there any connection?
Some research suggests that vitamin D may reduce the risk of multiple sclerosis (MS).
Vitamin C: Can it prevent colds?
In most cases, vitamin C supplements won't help prevent colds. However, taking vitamin C before the onset of cold symptoms may shorten the duration of symptoms. Vitamin C may provide benefit for people at high risk of colds due to frequent exposure: for example, children who attend group child care during the winter.
Video: What is blood pressure?
Watch this video to see what your blood pressure reading means.
Video: Keratoconus
Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.
Video: How to use a peak flow meter
Asthma attacks taking you by surprise? Take regular peak flow meter readings, as shown in this video, to predict asthma episodes and better control your condition.
Video: How to measure blood pressure using an automatic monitor
Watch this video to learn how to measure blood pressure using an automatic monitor.
Video: How to measure blood pressure using a manual monitor
Watch this video to learn how to measure blood pressure using a manual monitor.
Video: An asthma attack
What happens to your airways during an asthma attack?
Vicks VapoRub: An effective nasal decongestant?
Find out why you should not use this ointment to ease a stuffy nose during a cold.
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