Here is a link. I just don't see it as the same. Nor do I see it as the same thing when someone is taking a medication which definitely can influence behavior.
Please note that they did figure this out:
To strip away any need for looting, Bachelet announced that essentials on the shelves of major supermarkets would be given away for free, under the supervision of authorities. Soldiers and police will also distribute food and water, she said.