Multiple sclerosis (MS)
Multiple sclerosis (MS) is a chronic disease that affects the central nervous system. Learn about the types of MS and how the symptoms can be managed.
Spasms in the eyelid can signal fatigue, stress and in rare cases, multiple sclerosis. Learn about its causes and treatments and when to see a doctor.
Eye pain and sudden loss of vision? It could be optic neuritis, inflammation of the optic nerve. Learn about its symptoms, diagnosis and treatment.
Your nervous system controls much of what your body does including walking, speaking and other activities. Learn more about how it works.
What causes nerve pain?
Nerve pain is usually caused by disease or injury. Find out more about common causes, including health conditions that result in nerve pain.
If you have urinary incontinence (trouble controlling your bladder), a simple lifestyle change or treatment may be all that’s needed to cure or improve it, or to help you manage the condition. Learn more here.
Gastroparesis is a condition in which the muscles around your stomach don’t work properly. Although gastroparesis cannot be cured, the symptoms can be relieved.
Some men can orgasm without ejaculating. Unless you are trying for a baby, this is usually not a problem and you should not be embarrassed about speaking to your doctor about it. Read about dry orgasms in this section.
The neuromuscular system includes all the muscles in the body and the nerves serving them. Learn more about how it works and related diseases.
Your body's immune system is designed to protect you from, or get rid of, infection. Find out more about how the immune system works.