Changes in emotions, thoughts, and behaviors are warning signs of stress. what is the fourth category of warning signs?

When situations, events, or people make demands on your body and mind and challenge them, this causes stress. The events or situations that cause stresa are called stressors. Stressors can be everyday problems, certain changes, catastrophes,...
Changes in emotions, thoughts, and behaviors are warning signs of stress. The fourth category of warning signs are physical changes to the body, such as weight loss or weight gain, 

35 cubic feet of dirt if it's digging a burrow

True, using a pedometer can promote a physically active lifestyle.