After a slew of likely contenders such as heart disease, anemia, thyroid disease, depression or a sleep disorder are ruled out, getting to the source of fatigue gets murky. Among the many next-tier suspects is the Epstein-Barr virus (EBV).
Indeed, 2.4 million of those at risk of famine were in southern Sudan, the main arena of the war. Southern Sudan occupies almost one third of the territory of Sudan, which at 2.5 million square kilometers is the largest country in Africa.
British Prime Minister Tony Blair apologized for doing too little in response to the Irish Potato Famine of the 19th century that killed one million people and brought about the emigration of millions more. But in fact, the English government was guilty of doing too much. Blair's statement draws attention to the question of what caused the famine. Up to now, the popular theory is that the Irish were promiscuous, slothful, and excessively dependent on the potato. As a result they died by the hundreds of thousands when a blight appeared and ruined their food source, in the midst of one of the fastest economic growth periods in human history.