However, note that other causes of the symptom 'Muscle mass loss' may be possible. Research the causes of these symptoms that are more broader types of symptom than Muscle mass loss: Muscle atrophy (351 causes)
intrinsic meaning, definition, what is intrinsic: being an extremely important and basic characteristic of a person or thing: . Learn more.
Your intrinsic motivation is your desire to express your true self in your behavior, whether it's work or leisure. What's more, when you are driven by intrinsic motivation, you feel that you are determining the outcomes of your efforts.