Causes of Parkinson's disease. Parkinson's disease is caused by a loss of nerve cells in part of the brain called the substantia nigra. This leads to a reduction in a chemical called dopamine in the brain. Dopamine plays a vital role in regulating the movement of the body.
Overnight indexed swap. An overnight indexed swap (OIS) is an interest rate swap where the periodic floating payment is generally based on a return calculated from a daily compound interest investment. The reference for a daily compounded rate is an overnight rate (or overnight index rate) and the exact averaging formula depends on the type of such rate.
1 This could otherwise be a design error. 2  In the Irish Mythology, Geas, or Geis, is an idiosyncratic taboo, whether of obligation or prohibition, similar to being under a vow or spell. 3  In other words, it is a sort of curse brought by a vow. 4  Aside from being a curse, the Geis is also a key device.ari then absorbs the powers of the Soul Stone and is transformed into the Geas. Geas once referred to someone who was exceptionally gifted into communicating with the divine in the ancient Kingdom of Kounat, one who was a step closer to the deities than everyone else.