Leah Carol Colvin

People suffering from attention-deficit hyperactivity disorder (ADHD) encounter several challenges including social, academic or professional difficulties. These issues make it important for ADHD patients to receive definitive treatments that work for them. ADHD is also very common among children....

IntroductionTay-Sachs disease is a genetic disorder that affects the brain's nerve cells. Individuals who have this disorder lacks a type of protein that is needed to break down fatty substances in the brain. Without this protein, fatty substances accumulate in the brain to toxic levels, which...

MS is the result of an abnormal response of the body’s immune system. This response results in an attack on the central nervous system - the brain, spinal cord, and optic nerve. The immune system attacks the protective coating around the nerve fibers - myelin - creating scar tissue on and around...

CausesMS is the result of an abnormal response of the body’s immune system. This response results in an attack on the central nervous system — the brain, spinal cord and optic nerve. Specifically the immune system attacks the protective coating around the nerve fibers — myelin — creating...

What is dysarthria?Dysarthria is a speech disorder that is caused by weak, paralyzed, or damaged oral muscles. Those who have dysarthria usually have trouble speaking along with poor articulation, poor phonation, and poor respiration. Others may also have a hard time understanding people who have...

IntroductionDysphagia is the medical term for difficulty swallowing. A person with dysphagia finds it more difficult to move liquid or food from the mouth to the stomach. Dysphagia is most likely caused by muscle and nerve problems. When food is swallowed, multiple muscles and nerves are...