Private Property Is Exempt. The First Amendment usually applies only to public property, but there are gray areas. You can gather on your own property, but not on your neighbor's lawn against your neighbor's wishes. The individual who owns the property has the right to say what can and cannot happen there.
The human body is sensitive to caffeine. It increases mental awareness and helps you stay awake longer. The substance is present in soda, tea, coffee, sports beverages, chocolate and certain medications. After you consume caffeine, the substance enters the bloodstream within minutes and affects your brain.
Is that an Allergy or an Intolerance? The caffeine allergy can sometimes be very irritating and usually shows its reaction within few minutes. Some people might have an intolerance or sensitivity to caffeine which is different from allergy. The intensity of intolerance is very mild and does not have any relation to the immune system of the body. But allergy reaction should be taken as a serious matter and it is life threatening in some cases.