DeRay Mckesson has been at the forefront of Black Lives Matter since it formed in 2013, and frequently makes media appearances on behalf of the movement. Currently, McKesson is campaigning to become the mayor of Baltimore, the site of many Black Lives Matter demonstrations following the death of Freddie Gray.
Asked by a Quora user about how it feels to get tear-gassed, Mckesson wrote:
Anti-militarism activist group War Resisters League advises that anyone with chronic conditions, especially respiratory ones, should be extremely careful if they're in an environment where tear gas might be used.
If you're ever exposed to tear gas, you should try to treat it as quickly as possible. According to the League, you should: