Gin and tonic plasma levels at the lower limit of therapeutic efficacy and may, in fact, cause transitory suppression of parasites". This method of consumption of quinine was impractical for malaria prophylaxis, as the amount of drug needed "can not be maintained with even large amounts of tonic". The authors conclude that it is not an effective form of treatment for malaria. In Spain, a variation on the drink called Gin-Tonic has become popular. This differs from a traditional gin and tonic as it is served in a balloon glass (copa de balon) or coupe glass with plenty of ice and a garnish
Body of water example, most reservoirs are created by engineering dams, but some natural lakes are used as reservoirs. Similarly, most harbors are naturally occurring bays, but some harbors have been created through construction. Bodies of water that are navigable are known as waterways. Some bodies of water collect and move water, such as rivers and streams, and others primarily hold water, such as lakes and oceans. The term "body of water" can also refer to a reservoir of water held by a plant, technically known as a phytotelma. Bodies of water are affected by gravity which is what creates the tidal effects