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There are more sensory neurons in the tongue than in any other part of the body.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
The longest a person has survived after a heart transplant is 24 years.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.