Regularly scheduled exercise can do all of those depending on what /how you do it and who you are.
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Healthcare workers goals are mainly treating diseases, but they cannot ignore cultural and social contexts. It is extremely important for healthcare workers to understand how cultures all differently handle the passing of a loved one and the grieving process in order to provide the best care possible to their patients.
The answer is b. it is indirect therefore if it doesn't touch it it cant contaminate it
For starters, you must live up to what you fight for, so adopting a healthy lifestyle is the first obvious step. Also, considering the absurdly broad scope of the "health" definition (from the WHO, for example), you would have to decide on a specific focus. (i.e. alternative medicine? Nutrition and fitness? Access to global healthcare? and so on).
Among the career paths you could pick, there are:
*Becoming a health educator, by writing or broadcasting TV/ Youtube shows on wiser health choices;
*Visiting countries where people lack basic resources in nutrition and diet, urban sanitary infrastructure, and/or healthcare advances (like vaccines); or perhaps other places where there has been a rise of non-trasmissive chronic diseases (e.g. obesity, hypertension, diabetes). The purpose is really to educate people on ways to overcome the causes and to bring awareness to the problems.
*And finally, you can be a personal trainer/dieter to individuals or groups.
I hope this helps!
AMAZING QUESTION, CAN'T WAIT TO SEE THE ANSWER!!!