Is kudzu root safe?

The other day, I bought a box of "Booze Remedy" tea for whenever I get a hangover. But, I noticed one of the ingredients was pueraria root. I researched what pueraria root was and found that it was kudzu root. I've also read that kudzu root increases acetaldehyde and might cause cancer. But, I've... show more The other day, I bought a box of "Booze Remedy" tea for whenever I get a hangover. But, I noticed one of the ingredients was pueraria root. I researched what pueraria root was and found that it was kudzu root. I've also read that kudzu root increases acetaldehyde and might cause cancer. But, I've read that there's also been no conclusive evidence about that.
So, is kudzu root safe or not?
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