There is nothing worse, or more dangerous, than thirst. Without enough water, anyone crossing or living in a desert region will become dehydrated. Athletes have to pay attention to the hydration of their body or risk serious health risks. If the weather or climate is also hot and dry, it is even easier to become dangerously overheated.
How much water do we need each day? We have all been advised to drink 8 glasses of water per day. Another rule of thumb is to drink half your body weight in ounces. Most of us do not drink that amount. We walk around dehydrated and functioning below our maximum energy level.
Heat stroke or hyperthermia has been identified as the two most dangerous health impacts of climate change on populations living in hot, dryland habitat. See how Tucson, Arizona professional community is addressing this with citizens: