The Hydration Quiz

Water in the Human Body

• The human body is approximately 55-60% water.

Water Loss

• Water escapes the body through:
  • Urination
  • Sweating
  • Defecation
  • Breathing

Water Intoxication

• Water intoxication, also known as hyponatremia, occurs when the body takes in too much water, causing an imbalance of sodium levels in the blood.
• Hyponatremia can lead to swelling of brain and potentially life-threatening complications.

Case Study: Jennifer Strange's Death

• Jennifer Strange died from water intoxication after participating in a water-drinking contest in 2007.

Death by Water

• Example: Jennifer Strange's death is a documented case of death by water intoxication.

Hyponatremia

• Hyponatremia is a condition where the sodium level in the blood falls below 135 mmol/L.
• Severe cases of hyponatremia can lead to seizures, coma, and even death.

Symptoms of Water Intoxication

• Symptoms of water intoxication include:
  • Headache
  • Nausea
  • Vomiting
  • Fatigue
  • Seizures
  • Coma

Hyponatremia in Endurance Athletes

• Endurance athletes are at risk of developing hyponatremia due to excessive water consumption during and after events.

Normal Blood Sodium Concentration

• The normal blood sodium concentration range is between 135-145 mmol/L.