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.
Understanding light sensitivity. Support. Some people experience light sensitivity which means they have problems with certain levels of light. Lots of people become more sensitive to light as they get older and some people are naturally more light sensitive than others. Many common eye conditions can also make people more sensitive to light.