How can you optimize your physical health?
a. healthy diet, adequate sleep, and cosmetic surgery
b. cosmetic surgery, perfectly straight teeth, and tanned skin
c. good physical fitness, disease-free, adequate sleep, and healthy diet
d. good physical fitness, disease-free, cosmetic surgery, and healthy diet

The option that will help you optimize your physical health is C. good physical fitness, disease-free, adequate sleep, and healthy diet. The other options are incorrect because all of them include cosmetic surgery - this type of surgery will just change things on your body that you do not like, but that have nothing to do with your health per se. This is why it doesn't really belong to the options that can help you improve your health, wheras exercise, sleep, and good food can.

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