According to new research from the University of Colorado Berkeley, a common cancer-causing virus inside cows (bovine leukemia trojan, or BLV) appears to be linked with human breast cancer. To start with you swear away from dairy completely, there are several things you need to know:
If you’ve breast cancer, you might have been around BLV. The study, published inside journal PLoS One, tested breast growth samples from 239 donors—each with and without breast cancer. DNA from BLV—found in mammary and our blood cells in cattle—was found in 59 percentage of cancerous breast type tissue samples and Twenty nine percent of normal breast tissue samples, suggesting that the presence of BLV throughout breast tissue is "strongly associated" with breast cancer.
But experience BLV might not actually lead to breast cancer. Take lung cancer along with cigarette lighters, for example. There's an association backward and forward (cigarettes cause united states, and you light all of them with a lighter), yet that doesn't imply cigarette lighters result in lung cancer. As of at this time, the same goes for BLV and breast cancer. "This is an interesting finding, but this is really early," says Jame Abraham, M.N., director of the Cleveland Clinic'ersus breast oncology program. "We need to really prove that this virus is changing your breast tissue, and we don'big t have that evidence currently."
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These findings potentially have to change everything you learn about breast cancer. The theory that will breast cancer could be the consequence of virus—like the relationship between the human papilloma virus along with cervical cancer (among others)—is different the current idea that it's usually related to a mixture of genetics and lifestyle choices. The idea evolved from findings that breast cancers in mice is because the mouse mammary tumor computer virus (MMTV), which is transmitted from mothers to dogs via milk. Any time researchers concluded that there'azines no such people virus passed in between mothers and children, Buehring obtained the research focusing on quantity milk: cow's take advantage of.
With good reason: Humans with Western cultures use up more cows' milk compared to human milk, based on the study. And BLV is definitely ever-present in the US dairy provide, with 38 per cent of beef herds, Eighty four percent of small-scale dairy herds, and 100 percent associated with large-scale dairy operations testing positive for BLV, good USDA. Because only less than 5 percent of all cows develop the cancer associated with BLV, cows with the malware often go unseen.
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What continues on your cereal can be an unlikely culprit. "We don't think we're anywhere close to creating any strong statements of which drinking milk may increase the risk of breast cancers," says Abraham. And Buehring confirms that unless it's coming straight from the udders, the actual milk in your serving is harmless. "Herpes is inactivated through pasteurization, i really would advise men and women not to drink natural milk because the disease could still be productive in that state," suggests Buehring. That being said, pasteurization didn't happen until the 1920s—so your mum or grandmother could'onal acquired BLV through her own diet (and ultimately handed down it down to you).
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Despite the fear component, this could be great news. When the research pans out and about and scientists establish a more certain link between BLV as well as human breast cancer, we will go from simply dealing with the disease to actually to be able to prevent breast cancer. "It might totally revolutionize preventative measures by simply preventing the transmission in the virus, whatever the resource is," says Buehring.
Should we discover that the virus is regularly being acquired through cattle, there are not hard practices (like don’t ever drinking raw milk again—which you shouldn't become anyway, but that's another story) to lessen the likelihood of developing the condition. And if it's given through humans? "And then somebody could build a vaccine and it could lead to the latest way of viewing busts cancer—like the vaccines regarding hepatitis B along with HPV, which have ended in drastic drops inside cancer rates," suggests Buehring.