Why are the Middle Eastern countries in perpetual turmoil?

The Middle Eastern region, including the north African states, are in perpetual turmoil, armed uprising, mass protest, regime change, civil wars and whatever you can name it, as long as it is about destabilizing a country, you can find it in the Middle East region. In the north you have Turkey, Syria, Lebanon, the Palestinian non state and Israel. In the south you have Iraq, Iran, Saudi Arabia,