Why Does My Brain Need Water?The human brain is 85% water, and it is crucial that this balance is maintained because your brain needs water in order for it to be able to send signals to the rest of the body. When you do not drink sufficient water the brain will become dehydrated and the signals will short-circuit.

Water supports human DNA and is the largest single source of energy for the body; it can be found in every single cell in the body and without it the body cannot function. Water is required to build and grow cells and for various other functions, including regulating the core body-temperature via sweating. Water also delivers nutrients to and eliminates toxins from the brain.

Water is critical to supply the brain cells with energy, and they require double the energy of any other cell in the body. Half of the brain’s energy, which is almost 10% of the entire body’s energy requirements, is consumed by nerve transmission. You need to drink water regularly in order to boost your brain function and keep it working at full capacity to enable you be more creative and to think more clearly.

According to the Mayo Clinic, an average adult loses more than 10 cups of water daily via sweating, urinating, waste elimination, and even breathing. This lost fluid must be replaced or it will result in brain dehydration, which could present as:

  • Anger
  • Brain fog
  • Cravings
  • Depression
  • Eating disorders
  • Emotional instability
  • Exhaustion
  • Fatigue
  • Focus problems
  • Grouchiness
  • Headaches
  • Inability to get along with other people
  • Lack of mental clarity and acuity
  • Mental fatigue
  • Over sensitivity; including auditory, tactile, taste, smell, and visual sensitivity
  • Pessimism
  • Sleep issues such as insomnia
  • Stress
  • Vision problems
  • Weakened immune system

A mere 1% dehydration will cause a 5% decrease in cognitive function; a 2% drop in body fluids will present as fuzzy, short-term memory problems, difficulty focusing, and difficulty in performing the most basic math calculations.

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