What happens if you eat too many chokeberries with the pits?!

And how many do you need to eat in order for the bad effects to happen!? I know something bad happens if you eat too many, but what exactly happens and how many do you need to eat!? I have a decent amount growing outside and I love them!. They taste really good, but I don't want to get sick!. Thanks!.Www@Answer-Health@Com

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