When you pay off an installment loan youâve essentially fulfilled your part of the loan obligation â the balance is brought to $0 and the account is closed. This doesnât mean that paying off an installment loan isnât good for your credit score â it is.redit cards are revolving accounts, which means you can revolve a balance from month to month as part of the terms of the agreement. And even if you pay off the balance, the account stays open. A credit card with a zero balance (or a very low balance) and a high credit limit is very good for your credit score.
A. A. A. Parkinson's disease is caused by the progressive impairment or deterioration of neurons (nerve cells) in an area of the brain known as the substantia nigra. When functioning normally, these neurons produce a vital brain chemical known as dopamine.
Parkinson's Disease. Parkinson's disease is a brain disorder that occurs when neurons in the area of the brain called the substantia nigra begin to die. This interferes with the production of the chemical dopamine, which aids in muscle movement.Symptoms begin to appear when about 80 percent of the dopamine-producing cells are damaged.he main symptoms of Parkinson's include tremors, slow movements, stiffness and balance problems. While Parkinson's is not curable, there are medications that mimic dopamine and help with slowness, tremors and stiffness.