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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Pepper spray ...

As protests over the killings of George Floyd, Breonna Taylor, Tony McDade, and countless other unarmed Black people at the hands of police continue to grow throughout the United States, police ...

In recent weeks, the world has looked on as governments use chemical irritants to control protesters and riots. Whether it’s tear gas, pepper spray, mace or pepper balls, all have one thing in common: ...