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Brain and Nervous System
Amyotrophic Lateral Sclerosis
17
Jun
Jun
Amyotrophic lateral sclerosis (ALS) is a nervous system disease that attacks nerve cells called neurons in your brain and spinal cord.
Amyotrophic lateral sclerosis (ALS) is a nervous system disease that attacks nerve cells called neurons in your brain and spinal cord. These neurons transmit messages from your brain and spinal cord to your voluntary muscles – the ones you can control, like in your arms and legs. At first, this causes mild muscle problems. Some people notice
• Trouble walking or running
• Trouble writing
• Speech problems
• Eventually, you lose your strength and cannot move. When muscles in your chest fail, you cannot breathe. A ventilator can help, but most people with ALS die from respiratory failure.
The disease usually strikes between age 40 and 60. More men than women get it. No one knows what causes ALS. It can run in families, but usually it strikes at random. There is no cure. Medicines can relieve symptoms and, sometimes, prolong survival.