Lymph nodes are small, bean-shaped glands throughout the body. They are part of the lymph system, which carries fluid (lymph fluid), nutrients, and waste material between the body tissues and the bloodstream. The lymph system is an important part...

It's never too late to start getting active. Being fit is important for everyone. You can benefit from physical activity even if you already have conditions such as arthritis or heart disease. Being more active will help you feel better. And it may even help you live longer. If you haven't been active for a long time...

Learn when a pulse oximeter is helpful to use and how to use it.

Covers what TOS is, how it's diagnosed, and how it's treated.

Radioactive iodine, given in a capsule or liquid form, is absorbed and concentrated by the thyroid gland. The treatment destroys thyroid tissue but does not harm other tissue in the body. While radiation can cause thyroid cancer, treatment of hyperthyroidism with radioactive iodine does not increase your chances of...

Provides a summary of interactions with vitamins, herbs, and food

What is sensory processing disorder? Children with sensory processing disorder have problems processing information from the senses. This makes it hard for them to respond to that information in the right way. The senses include touch, movement, smell, taste, vision, and hearing. In most cases, these children have one...

Healthy adults ages 18 to 60 can donate stem cells. Children may be donors for themselves or a sibling. In some cases, people who are older than 60 can donate. If you wish to be a stem cell donor, a blood sample is taken from you and tested for...

Briefly discusses how the heart works and what might cause minor or serious heartbeat changes. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

How to Use It If a doctor diagnoses iron deficiency, iron supplementation is essential. To treat iron deficiency, a common recommended amount for an adult is 100 mg per day; that amount is usually reduced after the deficiency is corrected. When iron deficiency is diagnosed, the doctor must also determine the cause...