Coffee drinks are made by brewing hot water (or much less commonly, cold water) with ground coffee beans. The brewing is either done slowly by drip or filter, French press or cafetière, percolator, etc., or done very quickly under pressure by an espresso machine, where the coffee is termed "espresso"—slow-brewed coffees are generally called simply "coffee". All coffee drinks are based on either coffee or espresso, in different strengths; some drinks have milk or cream added, some use steamed milk, cream, plant based milk, or foamed milk, some have flavorings or sweeteners, some have alcoholic liqueurs added, some are combinations of coffee with espresso or tea.[1]

The "double-double" is a uniquely Canadian term that is strongly associated with Tim Hortons. It consists of a cup of drip coffee with two creams and two sugars (or double cream, double sugar). The Double-Double coffee will taste exactly the same in any cup size, from the small 10oz cup to the extra large 24oz cup. The chain achieves flavor consistency across cup sizes by employing a pair of countertop vending machines, one dispensing cream and the other dispensing sugar, with a button for each of the four cup sizes. The name "double-double" refers to the number of shots of each added, that is, two shots of cream and two shots of sugar. The terms "single-single" or "regular" and "triple-triple", though not as common as the "double-double", refer to coffee with one shot of sugar and cream and coffee with three shots of sugar and cream, respectively. The machines are calibrated regularly to ensure they dispense a perfect shot of cream or sugar to exacting specifications. The coffee is always poured over the cream and sugar, important to achieve the correct flavor. It is brewed using the pour-over drip brewing method and the coffee maker used is manufactured by Bunn-o-Matic Corporation.
Drinking more coffee is linked to a lower risk of depression, according to a review of 26 studies published in Australian & New Zealand Journal of Psychiatry in 2016. For each cup of coffee consumed per day, the risk of depression decreased by 8 percent, the researchers found. However, it's worth noting that too much caffeine can cause problems in people who also suffer from anxiety, negating any beneficial effects the coffee can have on depression risk.
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