Could there be a link between dehydration and dementia? Depression? And other illnesses? The brain is 75% water!   Symptoms of dehydration When a senior is mildly dehydrated they will experience symptoms such as: Tiredness, sleepiness, laziness, fatigue, lack of energy Confusion Forgetfulness Difficulty concentrating Difficulty making decisions Dizziness and/or light-headedness Irritability and/or agitation Headaches […]