It is called tailgating because students would park their vehicles usually big trucks full of kegs or beers or alcoholic beverages and drink and drink.
In almost all beverages with milk, two capsules are needed: one capsule with milk powder and other with the other ingredient (be it coffee or chocolate).
Most retail herbal teas sold as beverages could be considered safe, but medicinal herbal teas could easily contain herbs that cause damage in large amounts.
This is true for the item on noncommunicable diseases, which includes recommendations on the marketing of foods and non-alcoholic beverages to children.