<prompt> Bells Palsy is characterized byBilateral involvement of the side of the faceInability to whistleNo loss of muscular controlClosing of the eyes  <response>: Bells palsy is an abrupt, unilateral, peripheral facial nerve paralysis. It is characterized by drooping of the corners of the mouth, watering of the eye, inability to close or wink the eye, absence of forehead wrinkles on the affected side, mask like expression less face, inability to whistle. 