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 Symptoms. Addison's disease is often called the great imitator and with good reason. Addison's disease causes vague symptoms that are often seen with many other disorders such as kidney failure, general stomach/intestinal upset and infectious diseases, among others.