No.
Large amounts of water
Salt, large amounts of sugar.
Actually gold can poison you and in large amounts can kill you.
no
Highly unlikely, but if taken in large amounts may hurt your stomache.
In large enough amounts, yes. It will kill humans as well.
The 10th Sikh Guru, Guru Gobind Singh had mentioned that we should not intoxicate our self by any intoxicant. Tea and coffee both contains caffeine which is a brain stimulant, it is a drug (or chemical) in plants. In large amounts it can kill humans and other animals. Even small amounts can kill some animals, such as dogs. So a Sikh should not drink tea or coffee.
Caffeine can cause hypertension and hypertension can cause other complications that may kill a person.
It could swell and cause your stomach to explode.
If you were to take a culture of brain cells on a petri dishand submerge them in a caffeine solution, it probably would. But in people, is drinking coffee going to kill brain cells? No. Even very high amounts would not.
Deep penitration
every