Kangaroos are attacking tourists and being addicted to carrots might be to blame.

Thousands of tourists see the roos in the unlikely location of Morisset Hospital in Southern Lake Macquarie, where they’re found on the grassy hills.

However, too  many tourists are using food to get the perfect selfies and some experts believe the roos have lost their fear of people and grow hungrier for the unnatural food being given to the.