Stimulants • Methylphenidate • Modafinil • Nicotine □ Tobacco • Theobromine □ Cocoa □ Chocolate • Arecoline □ Areca Betel MDPV Mephedrone Methylone MDMA □ Ecstasy Club drugs □ Mexican Americans □ Non-Hispanic whites □ White Emperor ☆ Zhurong Landlord deity