ALS is the most common form of motor neurone disease, a neurodegenerative condition that affects people’s ability to speak, eat, breathe and swallow

Cases of the neurodegenerative disease, also known as Lou Gehrig’s disease, have risen in the U.S. over the last decade.

A major review of research published over the past 35 years has found that people exposed to the chemical substances at work may be more likely to develop amyotrophic lateral…