User blog comment:Kaido King of the Beasts/Chapter 826: A Curly Colorful Clan/@comment-5303512-20160519224701/@comment-24769684-20160519230304

I'm pretty sure getting food poisoning isn't the same as getting other kinds of poison. Also, Luffy isn't immune to all poisons, just the myriad of ones Magellan threw at him.

So like Naruto and Sakura I guess?

How does any of this correlate to Luffy's mother? Nothing in the chapter brought it up at all