Parkinson’s disease is triggered by degeneration of dopamine-producing neurons in the brain. <span> <span><span> <span> Parkinson's disease is a neurodegenerative disease of the CNS resulting from degeneration of dopamine-producing neurons in a region of the midbrain called the substantia nigra. Some of the factors that induce this disease are oxidative stress<span>, inflammation, and dysfunctional mitochondria. The disease is progressive including characteristic symptoms such as tremors, muscle rigidity, loss of coordination bradykinesia (slowness and difficulty with movements), sleep disturbances...</span> </span> </span> </span></span>
Guanine and adenine, structure-wise, are purines.
Invasive species naturally moved into a new area
