Today, the average age of a group of people interested in plastic surgery is steadily decreasing. That's probably because people think that surgery is not scary as you think.
Today, the average age of the team who are interested in plastic surgery is reduced gradually, that may be because people think that cosmetic surgery is not a terrible idea.
Today's average age group of people who are interested to do plastic surgery, that there may be a decrease in growing because people think that the surgery is not a horrible idea.