Explanation:
The blank slate, the dominant theory of human nature in modern intellectual life stating that humans are shaped entirely by their experiences and not by any preexisting biological mechanisms, is being challenged and soundly trounced by the cognitive, neural, and genetic sciences, said Steven Pinker, Harvard University, in his Keynote Address.
“Everyone has a theory of human nature,” Pinker said. “Everyone has to anticipate the behavior of others, and that means all of us have theories, tacit or explicit, about what makes people tick.”
You worded your question weirdly...
There are many ways to become and stay healthy.
You need to balance your diet and follow the Food Pyramid or My Plate. You can also develop a workout plan and make it part of your everyday life. You need to make sure you get enough of you're daily required nutrients and vitamins :)
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Are you Christian?
Have a beautiful and joyful day ahead.
The answer to your question, is D
hope this helps :D