The weather is heating up, and so are many summer activities. But with the warmer temperatures comes greater risk of heat exhaustion. Infants and the elderly are the most at risk, and also those who work out in the heat. Symptoms of heat exhaustion include headaches, muscle cramps, and dizziness. Firefighters say if you see someone with signs of heat exhaustion, act quickly. "First remove the individual from the hot environment, the body's heating up and once they stop sweating they're going into heat stroke," says Kennewick firefighter Chris Hutsell. The best thing to do is to not getting over heated in the first place and drink plenty of water even when you're not thirsty. Avoid drinks with caffeine and alcohol as they will dehydrate you. And take many breaks out of the hot sun to cool down.