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.
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.
Social drinking changed with the counter-culture movement of the 1970s and the arrival of new bottled and canned beverages in the 1980s, and soda water has declined in popularity.