Yes, the lack of vitamins can affect your body as well as your health in a negative/bad way.<span />
In the situation, when Chuck thinks that attractive women will not be a good educator his attitude toward attractive women is stereotype that once a woman is beautiful she is not smart as maybe all she thinks is just her looks.
Intra-uterine device(IUD) to prevent the fertilised egg from implanting itself in the uterine wall.
Answer to your question is true.