New York law went into effect last year but enforcement has just begun recently at some Capital Region stores Be prepared to show your ID at the grocery checkout if you want to buy whipped cream in a canister. In New York, the popular dessert topping has joined alcohol and tobacco products on the list of items age-restricted for purchase to those 21 and older, and proof of age is now required at the point of sale. The chargers that propel whipped cream through a canister nozzle are filled with nitrous oxide gas, which can be inhaled to produce a...