heat flux sensors, galvanic skin responses, and skin temperature gauges.
I hope this will help
I would say..
A.) By weakening the body`s immune system.
And
D.) By increasing phlegm and mucous production.
Hope This Helps!
Have a nice day!
Stress causes muscles to aches/tighten.
1. Getting older 2. Genetic Mutations 3. Early Menstrual Period 4. Not being physically active