yes but it depends on what is making you sick
Visit a health care professional such as a doctor so they can diagnose and treat whatever it is that is making you sick.
all of it mostly
Too much sugar is going to make you sick PERIOD. Just ask kids at Halloween time. Are you sure it wasnt the alcohol making you sicker!!??
Yep! Although scientists use lab rats to test medicines and the like by making them sick, they can be sick independently too.
Antibodies
no, I do not think i could.
As in like vomit sick? Then maybe, but you shouldn't be making yourself puke cancer causing or not. It's hell for your stomach, I'll tell you that.
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A katydid will not make a cat sick if he eats it. Cats can eat bugs without the bugs making the cat sick.
antibodies
antibodies