What are the four category warning signs of stress?

Physical symptoms: These can include headaches, stomachaches, muscle tension, fatigue, and changes in appetite or sleep.

Emotional symptoms: These can include irritability, anxiety, depression, and difficulty concentrating.

Cognitive symptoms: These can include forgetfulness, confusion, and difficulty making decisions.

Behavioral symptoms: These can include overeating or undereating, drinking too much alcohol, using drugs, and withdrawing from social activities.