Chemical Exposures Influence Aging, Immune System, and Metabolism

Our genes are affected by the thousands of chemicals we encounter; few are ever tested for toxicity

We are exposed to thousands of chemicals on a routine basis and these chemicals interact poorly with the intricate molecular reactions that make our body work. Dmytro Balkhovitin/Shutterstock

People are routinely exposed to thousands of man-made chemicals, some with known health effects, but most are far from fully understood.

In 2020, the number of registered chemicals reached 167 million. Every day people are exposed to them through food, water, contaminated air, drugs, cosmetics, and other man-made substances.