There are some food combinations that we should always avoid. Yogurt and Milk is one such pairing. While the individual consumption of these two does not cause many problems, combining these two can cause some headaches.
According to studies, the combination of yogurt and milk can result in improper digestion. Gas formation is another major problem that can come with this wild combo.
So if some trouble inside the stomach is the last thing you want, better keep yogurt and milk away from each other.