fine but morally uneven
On one level the morals are high. Teamwork, saving lives- what could be more moral than that? On another level the morals aren't vety high. When they show the characters' work lives the morals are high. When their personal lives are shown, however,, the morals aren't very high. Your opinion of the show, as well as your opinion of its suitability for teenagers, will depend on which of the above morals you value more. Moreover, several patients are shown throughout each episode. Too little time is spent with an individual patient, not allowing viewers time to empathize with them. (The empathy quotient must've been lacking in the writers and producers.) Lastly, the numerous deaths may make some not want to watch. If death is very hard for you to watch, avoid, given the frequency of death. If you can get past that and the other moral low points, you'll like this show, as it's clever.