Yes, human fecal matter is toxic. That does not mean that if you ate a spoonful it would kill you immediately. However our fecal matter is full of chemicals such that our bodies chose not to absorb. If it were suitable for promoting growth, cellular reproduction or repair, your body would use it.
Though the smell of human feces is not pleasant, it is not particularly damaging to your health.
NO I HAVE NOT
I am not sure the question you are to ask, but there are many things that are hazardous and dangerous to human health.
HEalth
YES for human health and your drain
you could die or get cancer
It is considered a public health hazard - hazardous human body waste.
So far I know, formalin is very hazardous for human health. It may even develop cancer and cause premature death.
A bird owner I knew had all of his very expensive parrots in outdoor aviaries in his back yard. He had no idea that the railroad ties surrounding his back yard were dangerous. On a hot summer day he lost almost every one of his birds due to the fumes coming from the timbers. These creosote soaked ties are even hazardous to human health.
hazardous wastes
hazardous wastes
Yes, the affects on smelling human feces bacteria fumes specifically those mixed with urine in a confined area could result in mild hallucination, furthermore, when injested over a prolonged Period could result in bacterial infection.
It is affected because of the smell and the fumes and the gases from all the waste that humans put out