For a practical guide on actually staying "cool for the summer" during record-breaking heatwaves, Woman & Home's "20 Heatwave Tips" is an excellent resource.
Scientific American and other health sources recommend avoiding alcohol and caffeine, as they can encourage dehydration during peak heat.
Focus on foods with high water content like spinach, cucumber, and melon, which help your body stay hydrated and regulate its temperature.
Experts from Bupa Health Clinics suggest running cold water over your wrists or ankles. This cools the blood flowing through your veins, lowering your core temperature faster.