A chronic disease persistent or recurring disease, usually affecting a person for three months or longer. It is generally one that is hereditary or one that is the result of factors such as poor diet and living conditions, using tobacco or other harmful substances, or a sedentary lifestyle.yme disease is an example of a chronic disease transmitted to human via deer ticks. Endometriosis is classified as a chronic disease. Using tobacco can increase a person's chances of developing a chronic disease.
The Missouri River is the longest river in the United States. It flows for 2,466 miles (3,968 kilometers). Its source lies in the Rocky Mountains of southwestern Montana; the river is formed by the confluence of the Jefferson, Madison, and Gallatin rivers at Three Forks, Montana.
The longest river on the map is the Missouri at 4088 kilometres. But the biggest in terms of water volume is the Mississippi, which is deeper. At 1114 kilometres, the Yellowstone is the longest un-dammed river in the US.he longest river on the map is the Missouri at 4088 kilometres, although the biggest in terms of water volume is the Mississippi, which is deeper. At 1114 kilometres, the Yellowstone is the longest un-dammed river in the US. There are 18 distinct colours around the compass.