Infectious agent
hope this helps!!!:) Brainliest??
A. Because people develop chronic depression as a way to cope with trauma
Atherosclerosis I believe
Physical symptoms of stress includes low energy, headaches, upset stomach, aches and pains, tense muscles, chest pain/rapid heartbeat, insomnia, frequent colds and infections, loss of sexual desire and/or ability, and more.
The stress response is the body's way of protecting you.