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Yes—the kettle boils faster with less water, because the kettle heats a smaller mass to the same temperature.

Yes, a lungo usually delivers more total caffeine than a standard espresso shot, but it’s less concentrated per sip.

In many cafés, large cappuccinos keep the same espresso as smaller cups; some chains add extra shots only in certain sizes or iced versions.

Yes, hot tea can cool you down when sweat fully evaporates in dry, moving air; in humid, still air, it won’t.

Yes, Starbucks Lemonade Refreshers contain caffeine from green coffee extract, with about 45–55 mg in a 16 oz Grande.

No, a standard green tea latte contains tea and milk, not coffee; cafés may add espresso in a “dirty” version.

No, a standard London Fog is an Earl Grey tea latte with steamed milk and vanilla—no espresso.

Yes, Dunkin’ Frozen Coffee has caffeine; about 196–393 mg per 16–32 oz cup, depending on size and recipe.

Yes, Dunkin’s Frozen Chocolate contains small caffeine from cocoa, typically well under 10 mg per serving.

No, a flat white usually uses the same espresso as a latte; some chains pull extra ristretto shots for the flat white.