These things are difficult to absorb within colonial logic, also bearing in mind the medical industrial complex. 

My mum talked about it, as did her mum. I'm born/raised in the UK. My diet is pi££ poor (excuse the pun!), compared to my grans. There is something in this.

Here is an article I haven't finished reading but you get the idea.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3032615/

Also, we know that snakebite is treated with antivenom.  

https://m.primal.net/IHVL.jpg