Saving some private time for yourself and learning to "pigeonhole" problems are two examples of D. renewing your attitude through daily activities. People can learn this technique in management class. Its aim is to make people think clearly, become stress resistant, and to focus on goals that people define as main.
When the homeostasis senses that your too cold, it sends signals to your muscles that make your shiver and create warmth. This is called maintaining the homeostasis.
The answer is Remedies bought "over the counter" are always safe to use.