Heat Cramps (the mildest condition) can lead to Heat Exhaustion which can lead to Heat Stroke (which if severe can be a life threatening condition!). Who is at risk: The very young less than 4 years old. Older adults more than 65 years old with chronic illnesses and/or on medications. Any person on certain medications or taking illicit drugs or drinking excess alcohol. Obese individuals. Those exposed to a sudden temperature change, “heat waves” or travel to a hot climate. Causes: High temperatures. High humidity. Strenuous activity. Dehydration. Alcohol consumption. Overdressing. Signs and symptoms: Body temperature of 104 degrees F or higher–seek immediate medical attention! This is Heat Stroke! “Goose.