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  1. Amyotrophic lateral sclerosis (ALS) - Symptoms and causes

    May 6, 2026 · Overview Amyotrophic lateral sclerosis (a-my-o-TROE-fik LAT-ur-ul skluh-ROE-sis) is a nervous system disease that affects nerve cells in the brain and spinal cord. Also known as ALS, the …

  2. ALS - Wikipedia

    ALS is a motor neuron disease, which are a group of neurological disorders that selectively affect motor neurons, the cells that control voluntary muscles of the body. [3] Related motor neuron diseases, …

  3. What is ALS? - Amyotrophic Lateral Sclerosis | The ALS Association

    ALS, or amyotrophic lateral sclerosis, is a progressive neurodegenerative disease that affects nerve cells in the brain and spinal cord. There is no cure for ALS yet.

  4. Amyotrophic Lateral Sclerosis (ALS) - National Institute of ...

    Mar 13, 2026 · Amyotrophic lateral sclerosis (ALS), formerly known as Lou Gehrig’s Disease, is a neurological disease that affects motor neurons—those nerve cells in the brain and spinal cord that …

  5. Amyotrophic Lateral Sclerosis (ALS) - Johns Hopkins Medicine

    Amyotrophic lateral sclerosis is a fatal neurological disorder characterized by progressive degeneration of nerve cells in the spinal cord and brain. It is often referred to as Lou Gehrig's disease.

  6. Amyotrophic Lateral Sclerosis (ALS): What It Is & Symptoms

    May 6, 2025 · ALS (amyotrophic lateral sclerosis) is a neurodegenerative condition that affects how nerve cells communicate with your muscles. It leads to muscle weakness that gets worse over time. …

  7. Dedicated to Finding a Cure for ALS | The ALS Association

    ALS robs people of the ability to walk, talk, and eventually breathe. We need your help to find a cure.

  8. ALS Symptoms and Diagnosis

    The initial symptoms of ALS can be quite varied in different people. One person may have trouble grasping a pen or lifting a coffee cup, while another person may experience a change in vocal pitch …

  9. ALS Global | Environmental Testing, Laboratory Services & Scientific ...

    Jun 3, 2026 · ALS Global provides comprehensive environmental testing, laboratory services, and scientific solutions across industries. Explore our cutting-edge services for water, air, soil, and more.

  10. About Amyotrophic Lateral Sclerosis (ALS) | National ALS Registry | CDC

    Nov 12, 2024 · ALS also known as Lou Gehrig's disease, is a motor neuron disease. ALS is rare, though slightly more common in men than women. The disease affects the nerve cells in both the upper and …