Biomedical subjects
PK Johnston
Publications and source records attributed to PK Johnston.
The Vegetarian Adolescent.
Ecologic and philosophic as well as health concerns have led to an increasing number of adolescent vegetarians. The various types of vegetarianism differ substantially in dietary composition. Benefits of the vegetarian diet must be balanced by careful attention to ensuring adequate intake of protein and amino acids as well as certain vitamins and minerals that tend to be less available in plant foods.
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