lactose intollerants
no they can not but it might be slightly possible.
It is possible to grow out of any allergy, but because codeine is often used in medications, it would be unwise to consume them under the impression that one has grown out of an allergy, as the results could be fatal.
Anything people consume beyond what is necessary for survival? The answer is [Want]
You need to know whether you are allergic to peanuts and what to do if you consume or otherwise come into contact with them.
Well, crocodiles consume anything bigger than them and alligators usually consume anything that is smaller than them.
Asthma is an allergy-related illness. It is not caused by water or anything else you consume. It is triggered by breathing in something you're allergic to, like heavy perfumes, or by contaminants in the air like smoke or soot. Sometimes, it can be triggered by very cold air as well.
Yes, if you consume to much of anything you can die.
don't consume anything that's poisonous
anything made out of meat
The only way to be absolutely certain that you will not accidentally consume something dangerous in the lab is to not consume anything at all.
As with any drug it could cause you to fail a drug test. I would not consume any cough meds or anything before taking a urine test within two days. I don't believe it could cause a positive urine test, unless consumed directly before the test. Allow 24-48 hours before your drug test to consume anything containing such drugs and chemicals.
No. If anything, a combustion reaction will consume hydrogen.