It’s hot and it’s hard to hear

Hot weather causes human blood vessels to expand and increase oxygen consumption. However, the air also expands due to heat, causing the oxygen content to decrease. At this time, everyone is in low-level hypoxia. In order to maintain internal balance under high temperature conditions, the human body will appropriately passivate the entire body, and the human body will respond slowly, mainly for these two reasons.

Everyone has this situation, but the aging of the body is more obvious in the elderly. Adopt me, filial child