PAHS

Scientists have found a better way to spot harmful chemicals in the body. These chemicals come from diesel exhaust. They are called amino-polycyclic aromatic hydrocarbons, or amino-PAHs for short. These are bits left behind in the body after it breaks down other harmful chemicals called nitro-PAHs.

Have you ever thought about what's in the smoke you see during a wildfire? Besides being scary and bad for the environment, it also contains chemicals called polycyclic aromatic hydrocarbons (PAHs). These are created when things like wood burn. Usually, we encounter tiny amounts from car fumes and i