conservation for art is "preserving, fixing, or just restoring old art or other things like artifacts etc." (found in an article on www.msaconservation.com) it's most likely controversial because if something's old and valuable, people want to keep it in it's original form. (just a guess) but that's how it is in the art world.
Answer:
Parental conflict is common in many families, and childhood depression, anxiety, and aggression may be the outcome. ... And such behavior may help explain enduring mental health problems for many children, including depression, anxiety, poor sleep, and aggressive behavior
Do you even know what an eight track is?