You would properly use the first aid kit in whatever way needed. And if it was serious you'd call 911.
I mean they are necessary for some people..
Not sure about eating them
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
People like to drink alcohol due to trauma going on in life or because they enjoy it.