Definition of rappel for English Language Learners : to move down a steep cliff, rock, etc., by pushing your feet against its surface and sliding down a rope RAPPEL Defined for Kids
How much water you need to drink to get the most benefits depends on your diet, exercise routine, health and weather. You can start by aiming for the basic recommended amount for adults, which is 8 to 12 cups a day, according to Clemson Cooperative Extension, and making adjustments as needed.
Both are American studies that refer to research into the â8x8â rule, which promotes drinking at least eight 8-oz glasses of water a day (1.9 litres). This is much more than the âabout 6-8 glassesâ (1.2 litres) of fluid a day advocated by the UK government.