Shortness of Breath: Causes, Chest Pain & Health Risks

What causes shortness of breath when walking, biking, or lying down? From low blood oxygen levels to vitamin insufficiencies, identifying the triggers for respiratory distress in teens and the elderly is essential.

What Are the Causes of Shortness of Breath in Children?

Published Aug,14 2017 | By Rose Erickson

When a child is short of breath, it can be difficult for him to get the oxygen his body needs to operate correctly. Symptoms may include nostril flaring, grunting and rapid or shallow breaths. MayoClinic.com warns parents to take breathing problems seriously, no matter the cause.