Your parents have probably lectured you about leaving a drink unattended. Don't take their advice for granted. It can actually save your life.
After all, if you step away from your drink for a minute or two to use the bathroom, then someone can easily slip a drug into your drink without you realizing it.
This social experiment was performed in order to prove how easy it is to get away with such a terrible act. After you watch it, you'll never leave your drink alone again:
Remember ladies, you need to be careful! You don't want anyone to take advantage of you.