A written agreement which explicitly states a fixed duration that the contract will be in effect. The signing parties are obligated to adhere to the terms and conditions within the contract until the expiration, or end date, of the contract. http://www.businessdictionary.com/definition/term-contract.html.
The most common symptoms of Lou Gehrig's Disease are: 1  twitching. 2  cramping, or stiffness of muscles. 3  muscle weakness affecting an arm or a leg.  slurred and nasal 1  speech. or difficulty chewing or swallowing.
Addison's disease can occur at any age and in both sexes. Adrenal insufficiency occurs because the outer layer of the adrenal glands is destroyed. Symptoms of Addison's disease include fatigue, nausea, diarrhea, muscle pain, joint pain, weakness and dizziness. Treatment requires the replacement of the low levels of hormones with medications such as hydrocortisone or prednisone to replace cortisol, and fludrocortisone, if aldosterone levels are low.