It's hot, it's dizzy, it's cool, it's fine.

A hot dizziness is because people in high temperature environment, will cause vagus nerve excitation, appear systemic vasodilation, then the skin and limbs of blood volume will increase, capacity caused by insufficient blood supply to the brain phenomenon, which will cause dizziness. In addition, the human body fever can also cause high or low blood pressure, which will also cause dizziness phenomenon.