You can offer evidence to support it. This may be in the form of some experience you have. This could be anecdotal, a story that you have about it, or could be a summary of a scientific study with the links to it.
Answers to certain questions may help support this position. Adding links to these further questions can help support an answer.
How can I edit the answer?
Answers are managed by the owner and people given editing rights. You can not directly edit the answer. However feel free to copy and paste parts with changes into the suggestions area. The editors of the answer should be aware and incorporate good suggestions into the answer.
What should i do if my suggestions are not being listened too and I think i could do a better job of managing the answer?
Contact the owner and ask to be added as an editor.
What If they won’t accept me or kick me out?
Then start your own answer and do a better job at managing it to compete for more votes and support than them.