Listen. 1  The signs and symptoms of hypermobile Ehlers-Danlos syndrome vary but may include: 2  Although hypermobile Ehlers-Danlos syndrome is thought to be a genetic condition, the underlying cause is unknown in most cases. A small percentage of people with this condition have a change (mutation) in the TNXB gene.
The right side of the hurricane is the strongest because a hurricane rotates counterclockwise. As a result the wind speed on the right side is the sum of the speed at which the hurricane is rotating and the storm's forward speed.
The strongest tropical storms are called hurricanes, typhoons or tropical cyclones. The different names all mean the same thing, but are used in different parts of the world. If these huge storms start in the Atlantic, off the west coast of Africa, they are called hurricanes.