By Veronique Greenwood You may be among the millions of people who have seen a surprisingly specific warning like this on the labels of drugs you take: Avoid eating grapefruit or drinking ...

Nevertheless, 90 percent of it is water. 1. Lowers cholesterol levels Rich in flavonoids, grapefruit juice helps reduce ...

Medications that contain estrogen include birth control pills, conjugated estrogens like Premarin, and estradiol like Estrace. Estrogen is also metabolized by CYP3A4 enzymes. Grapefruit appears to ...