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Don't catch this

作者:邹倪笫    发布时间:2019-03-07 05:11:02    

By Nell Boyce IT LOOKS like a virus might trigger motor neuron disease. And if so, the devastating illness could one day be prevented by a vaccine. Motor neuron disease is also known as amyotrophic lateral sclerosis (ALS) and Lou Gehrig’s disease, after the US baseball player who was diagnosed with the disorder in 1939. Physicist Stephen Hawking also suffers from the disease. ALS starts with a weakness in the arms or legs but gradually destroys all motor neurons, leaving its victims unable to move or breathe, although their minds remain unaffected. No one knows what causes ALS. However,

 

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