Yes, it is possible to develop an allergy to something you weren't previously allergic to. Your body chemistry changes about every seven years making allergies easy to develop.
You could have an allergy to it.
for your sake and my own ...i sure hope so
No, but some seems to be triggered by exposure. So if you develop an allergy someone who spends a lot of time with you will get the same exposure to whatever and might develop an allergy too.
Yes, people could develop an allergy to raccoons.
If you develop a a red bumpy wheal that passes out the baseline circle you made after intradermal injection within 30 minutes then you are positive for an allergy.
It is possible because marijuana delays reaction time.
It is possible, but not always guarenteed.
Yes, it can in some people for a variety of reasons. Some people just have an allergy issue with smoke of any type, period. Also, marijuana can be organic and not mixed with anything, but it can also be grown with pesticides or mixed with fillers of various types. It isn't something that is really regulated, so you may not be getting the same thing twice. You could have an allergy to any variety of things that are in it.
It is possible to have an allergy to soy beans (as it is possible to have an allergy to most things) but other than that no, soy is not dangerous in a supplement or in any other kind of food such as tofu.
no. Marijuana can be smoked as plentiful as possible, it does not affect your heart, only your brain.
There is no known allergy to THC. Most allergic reactions to smoking marijuana and other THC embued substances is either due to an allergy to pesticides, insecticides, etc., or an acute reaction to smoke itself.