HOUSTONâJustin Friendâs parents have doctoral degrees and have worked as university lecturers and researchers. So Mr. Friend might have been expected to head for a university after graduating from high school in Bryan, Texas, five years ago. Instead, he attended Texas State Technical College in Waco, and received a two-year degree in welding.
A flurry of emergent research has linked mitochondrial dysfunction to the pathogenesis of Parkinson's disease. Mitochondrial dysfunction results in impaired ATP generation, loss of cellular repair mechanisms, and cellular inefficiency.
Other symptoms include sensory, sleep and emotional problems. Parkinson's disease is more common in older people, with most cases occurring after the age of 50; when it is seen in young adults, it is called young onset PD (YOPD).The main motor symptoms are collectively called parkinsonism, or a parkinsonian syndrome.The disease can be either primary or secondary.Primary Parkinson's disease is referred to as idiopathic (having no known cause), although some atypical cases have a genetic origin, while secondary parkinsonism is due to known causes like toxins.he disease can be either primary or secondary. Primary Parkinson's disease is referred to as idiopathic (having no known cause), although some atypical cases have a genetic origin, while secondary parkinsonism is due to known causes like toxins.