Glad to get some informed background on this, at it comes up a lot bartending. Last week when I put together a menu for a party at my parents' house, they warned that many of the older guests would avoid the Paloma for this reason. Sure enough, it was one of the least-requested drinks.
No One Can Decide If Grapefruit Is Dangerous
The citrus can raise the level of dozens of drugs in the body—sometimes to a worrying degree, sometimes very much not.
theatlantic.com