I am not sure the question you are to ask, but there are many things that are hazardous and dangerous to human health.
The consequences to human health are many. Altering a DNA goes as fatal as it sounds.
The average human farts about 20 times a day. ;)
eight times for good health
For a young and healthy human; 20000 times per second.
9
There is no limit.
15 times
On average,about 600 times
1,528 times a day
17,000 times
to many to count