[单项选择] Natural Health Care Natural health care is a philosophy and a set of principles and practices based on science that lead to an extraordinary level of personal health and happiness. It recognizes the unity of all life and holds that physical, mental, and emotional health cannot be separated, and that personal health, environmental health, and community health are parts of a whole. Natural hygiene (卫生学) teaches that the best way to achieve best health is right living—developing self-esteem and a positive attitude towards life; eating fresh, whole natural foods; exercising regularly; getting plenty of rest and sleep; getting plenty of fresh air and sunshine; learning to handle stress; and avoiding all negative influences of life. Basic principles: Natural health care is unique in its argument that health is normal—as simple as living in harmony with nature. Health and disease are a continuum (连续统一体)—the same physiological (生理的) laws govern the b
A. closely linked
B. completely unrelated
C. pretty much the same
D. quite unimportant