People who eat types of fish that are typically high in mercury are twice as likely to be diagnosed with amyotrophic lateral sclerosis, a fatal progressive neurodegenerative condition affecting nerves in the brain and spinal cord.

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People who eat types of fish that are typically high in mercury are twice as likely to be diagnosed with amyotrophic lateral sclerosis, a fatal progressive neurodegenerative condition affecting nerves in the brain and spinal cord.