Geriatrician's are specialist in the field of study of the aging also known as <span>gerontology.</span>
A is the answer. This is because this was not covered by the Twin studies.
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Answer: You could offer to volunteer at a Hospital, or you could help teach others about their health and wellness, and also help with donations towards Hospitals and Clinics.
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Steak is high is Vitamin B. B-12 and B-6 are the high ones. B-12 can also be known as Cobalamin.