There are many things that may be fatal if swallowed. It is best to always know the ingredients and potential risk behind anything that you may be tempted to eat.
If eaten/consumed - YES
If enough is consumed, then yes.
Nightshade can be deadly if ingested in large enough quantities, and the time it takes for it to kill a person can vary depending on factors such as the individual's health and the amount consumed. In general, it can take several hours to a few days for nightshade poisoning to be fatal.
Alcohol of that strength is hygroscopic, it will kill you.
It can kill if consumed via the anal passage.
a lot is consumed in 1 year :)
Some fungi have a high risk of death if consumed.
Certain mushrooms can kill a raccoon if consumed.
If a person is burning more calories actually what he/she consumed, this situation leads to get weight loss of that particular person.
Mercury. Could kill someone easily. Uranium radioactive and can kill Francuim radioactive and can kill. And also blows up like a bomb.
It could swell and cause your stomach to explode.
Quite possibly but they will most definately get sick if alot is consumed