Mint Gum has metanol in it which is like a cooling agent and it tricks your nerves into thinking its something cold like an ice cube in your mouth. And then you drink the water, and your brain thinks its extra cold and it just feels like you swallowed alot of ice.
Random thing to help ig
Too much salt can increase your risk of stroke, heart failure, stomach cancer and kidney disease.
Tbh im not so sure but anyways i hope that helps.
3: opiates, came along in the 19th century..was widely used during the civil war as well..