What causes ALS?

Written by Marisa Wexler, MS |

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What causes ALS?

Category: ALS Causes

Amyotrophic lateral sclerosis (ALS) is caused by the death of motor neurons, the specialized nerve cells that control muscle movement. It’s not clear exactly what triggers motor neuron death in ALS, but a number of factors, including genetics, environmental exposures, and lifestyle choices, are thought to contribute to the disease’s development.

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About the Author

Marisa Wexler, MS Marisa holds a Master of Science in cellular and molecular pathology from the University of Pittsburgh, where she studied novel genetic drivers of ovarian cancer. Her areas of expertise include cancer biology, immunology, and genetics, and she has worked as a science writing and communications intern for the Genetics Society of America.


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