Knowing how to easily manipulate the people around you. Not exactly a good thing though.
Answer:
The health triangle consists of: Physical, Social, and Mental Health. Physical health deals with the body's ability to function. Physical health has many components including: exercise, nutrition, sleep, alcohol & drugs, and weight management.
Explanation:
Long-term physical activity can help to reduce your heart rate through its response to exercise: an increased stroke volume leads to a lower stress response and therefore less cortisol is produced, allowing for a more homeostatic environment for the lymphatic system.
Well, without medical care humans would literally die of so many infections and diseases, we would already be on the brink of extinction. Think of the Ebola outbreak, the black flu, Hiv's. Without the help of medical care, we would not be able to sufficiently prevent sickness.<span />