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.
A healthy brain is quick and efficient. Problems like inflammation, loss of brain cells, tumours, trauma and age-related diseases can change that. Learn more.
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.
Hiccups can be caused by overeating, or eating too quickly, spicy foods, hot or fizzy drinks, alcohol, smoking, stress, fear or excitement. Learn more here.
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.
There are can be physical and psychological reasons for delayed ejaculation. It happens when men find they can only ejaculate after long periods of stimulation. Find out more about this condition, common causes and treatment options.
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.