Many sources claim that the tear gas that has been expended during the protests in Hong Kong contains cyanide.
Many of us know cyanide as a deadly chemical. Exposure to chemicals containing cyanide may result in symptoms such as headache, dizziness, fast heart rate, shortness of breath, and vomiting. This may then eventually lead to more severe symptoms such as seizures, slow heart rate, low blood pressure, loss of consciousness, and cardiac arrest, and eventually, death.
If the person survives, he/she runs the risk of having long-term neurological problems.
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