He identified the pathways that regulated wakefulness and sleep onset by studying the parts of the brain that were affected by the disease and the consequences it had on the circadian rhythm.
jeopardize definition, meaning, what is jeopardize: to put something such as a plan or system in danger of being harmed or damaged: . Learn more.
By Dr Tomislav MeÅ¡troviÄ, MD, PhD. Myopathies are a group of disorders characterized by a primary structural or functional impairment of skeletal muscle.They usually affect muscle without involving the nervous system, resulting in muscular weakness.yopathies can manifest with either ânegativeâ or âpositiveâ symptoms. Negative symptoms include muscle weakness, exercise intolerance and fatigue, while so called positive symptoms usually encompass cramps and myalgias, with occasional contractures, myotonia and myoglobinuria.