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.
The symptoms of Addison's disease can include any or all of the following: 1  loss of appetite and weight. 2  nausea, vomiting or diarrhoea. 3  muscle weakness.  chronic, worsening 1  fatigue. low blood pressure.  salt 1  cravings. dehydration.  hypoglycaemia, or low blood sugar levels (especially in children)