Pool season isn't complete without the scent of chlorine in the air. But does smelling the chemical mean the pool is overchlorinated? And if so, what happens if you're overexposed to the disinfectant?

Chlorine is a toxic gas used in disinfectants and cleaning products. Exposure causes eye, lung, and skin irritation, and lung fluid buildup. Children and asthma patients are at higher risk. No ...