Teenagers with body mass indices between 25 and 30 require immediate medical attention. The internal stress caused from so much weight almost guarantees the premature development of medical problems such as diabetes, heart disease, cancers, and stroke.There's no question that aggressive weight loss methods are necessary and these teenagers need to be followed by medical experts for years to come. But what about teenagers with body mass indices just below 25? Is it safe for this group of overweig.