All about Rodrigo Duterte's illness: myasthenia gravis

The most common symptom of myasthenia gravis that is first noticed is a drooping eyelid. - Wikimedia Commons

The phrase “transmission failure” is commonly related to motor vehicles, but what happens when a “transmission failure” occurs in the human body?

Myasthenia gravis is an antibody-mediated disease, caused by a failure of impulse transmission from nerve endings to the muscle, making the muscle weak and easily tired.