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Friday Favorites: Talcum Powder and Fibroids


Under is an approximation of this video’s audio content material. To see any graphs, charts, graphics, pictures, and quotes to which Dr. Greger could also be referring, watch the above video.

If you happen to randomly choose a bunch of girls and ultrasound their uterus, the vast majority of them have fibroid tumors by age 50. And by most, I imply, greater than 80% of black girls, and about practically 70% of white girls. Half of white girls have already got fibroids by their early 40s, and the identical may very well be stated for African-American girls of their mid-30s.

After getting over the shock of how widespread fibroids are, the subsequent query turns into, why the racial disparity? Is it “food plan, stress,…environmental exposures”? Perhaps, no matter it’s may provide a clue as to what causes fibroids. For instance, African-People are inclined to have a “decrease consumption…of fruits [and] greens,” and vegetables and fruit seem protecting towards fibroids—notably citrus, right here within the Black Girls’s Well being Examine; although not, apparently, simply citrus juice.

It’s fascinating; should you measure the degrees of beta-carotene in contemporary surgical tissue samples of uterine fibroids, and “adjoining regular [uterus tissue] obtained” throughout hysterectomies, you discover “considerably…decrease” concentrations within the fibroids. Actually, beta-carotene was not even detectable in half the fibroid specimens. The identical factor is definitely present in most cancers. Most cancerous tissues examined had undetectable ranges of beta carotene, in comparison with the traditional tissue proper subsequent to the tumor. So, possibly “decreased ranges of [beta]-carotene” in some way play a job in inflicting these situations? Seems like a little bit of a stretch, however you don’t know till you place it to the take a look at. However, there had by no means been a randomized, managed, medical trial of vegetables and fruit for fibroids, till… by no means! They did do a randomized, managed trial of kind-of-a-fruit-and-vegetable-at-the-same-time—tomatoes—however for the prevention of fibroids in Japanese quail, and most of my sufferers should not Japanese, nor quail.

The motion of lycopene, the crimson pigment in tomatoes, “in an animal mannequin might not precisely symbolize lycopene motion in people.” And certainly, the Harvard Nurses’ research discovered no obvious hyperlink between lycopene consumption and fibroids. So, yeah; fruits and at the least inexperienced greens might have a “protecting impact.” However we gained’t know for positive, till they’re correctly put to the take a look at.

Vitamin D is one other chance as to why African-People disproportionately endure from fibroids. “Girls with darker pores and skin are…extra more likely to be Vitamin D-deficient;” as many as 80% of black girls might have “insufficient ranges of Vitamin D,” in comparison with just one in 5 white girls.

Vitamin D does inhibit fibroid cell proliferation—in a petri dish. It could possibly shrink tumors in your pet rat; however what about individuals? A inhabitants research did discover that “[w]omen with adequate vitamin D” ranges of their blood had a couple of third “decrease odds of fibroids”—in line with the discovering that girls who report a number of solar publicity additionally seem like protected. However, till there’s an interventional trial the place girls are randomized to vitamin D or placebo, we gained’t know for positive if vitamin D performs a job in fibroid prevention or therapy, or not.

African-American girls are additionally extra more likely to sprinkle child powder on their genitals, which can not solely double the chances of fibroids, however might enhance the danger of ovarian most cancers—the deadliest gynecological most cancers. Inner memos present Johnson & Johnson knew concerning the most cancers danger, however nonetheless determined to focus on African-People. “Consider us”, Johnson & Johnson stated, “as a lifetime buddy of the household”—a lifetime minimize quick, maybe, by its child powder, or at the least so stated a jury, which just lately awarded a household $110 million in damages—on high of the $200 million in verdicts from final 12 months, with hundreds of lawsuits pending after inside memos revealed that many years in the past, their very own contracted toxicologists had been warning the corporate that there are a number of research displaying a most cancers hyperlink, and anybody who denies this danger “can be perceived by the general public” in the identical mild as those that denied a hyperlink between smoking cigarettes and most cancers: “denying the apparent within the face of all proof on the contrary.”

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