iHealth News: Dairy Milk Intake Linked to Higher Breast Cancer Risk

iHealth News - Dairy Milk Intake Linked to Higher Breast Cancer Risk


Dairy Milk Intake Linked to Higher Breast Cancer Risk
Research done on nearly 53,000 people found that dairy milk intake is associated with an increased risk of breast cancer, even in small amounts. As little as ¼ cup per day can increase the risk by 30%. Drinking one cup per day can increase the risk by 50%, and drinking two to three cups per day can increase it by 70% – 80%. Alternatives to dairy may be the better choice. Soy milk intake did not increase the risk of breast cancer.

摄取牛奶与更高的乳癌风险有关
科学家们对将近53,000人进行了研究后发现,即使少量摄取牛奶,也和乳腺癌罹患风险的升高有关。每天只喝1/4杯牛奶,会增加高达30%的乳腺癌风险;每天喝一杯,可增加50%;每天喝两到三杯,可增加70%至80%。选择牛奶的替代性产品是更明智的选择。摄入豆奶并不会增加罹患乳腺癌的风险。


Source:
International Journal of Epidemiology https://academic.oup.com/ije/pages/About
The International Journal of Epidemiology is an essential requirement for anyone who needs to keep up to date with epidemiological advances and new development.

Dairy, soy, and risk of breast cancer: those confounded milks
Both soy and dairy have been hypothesized to affect risk of breast cancer in opposite directions. Intakes of these two food groups are often negatively correlated, but have rarely been adjusted for each other. Thus, soy foods are often good indicators of less dairy or its absence.


In Summary, Animal Protein:
– High in Fats and Calories, saturated fats and Cholesterols
– The human body cannot break down animal protein effectively 
– Excessive consumption burdens and damages the liver and kidney
– Difficult to digest 
– May cause allergies
– Long term consumption may increase risk of diseases including atherosclerosis, fatty liver, heart attack, and even cancer
– Excessive consumption increases calcium loss from the body 
– Increases risk of osteoporosis 

Compared to animal proteins, plant proteins such as soy protein are more easily absorbed by the body. 
Plant proteins provide the body with essential nutrients but with less fat and fewer calories. 
Besides, soy is rich in phytochemicals to effectively boost immune functions. 

The American Diabetes Association hails soy as the ideal source of protein for diabetics as soy does not burden the kidneys. Soy protein is a plant protein. Hence, it does not contain any animal hormones or fats, making it the healthier choice.
https://www.healthshots.com/healthy-eating/nutrition/soybean-nutrition-heres-why-soya-is-the-ultimate-food-for-diabetes/
https://www.diabetes.org/healthy-living/recipes-nutrition/eating-well/protein


Cow and Breast milk


Cow’s milk has iron, but it’s not the same as the iron found in breast milk. The iron in breast milk is bound to lactoferrin, which helps make the iron to be more easily absorbed. Research shows that high levels of iron can promote the growth of harmful bacteria in the baby’s gut, but the iron bound to lactoferrin does not have this harmful effect. Lactoferrin also helps regulate the absorption and utilization of iron in the baby’s body. And if that’s not enough, lactoferrin has antimicrobial properties to keep the baby healthy. So, sure, cow’s milk has iron, but breast milk has the real MVPs—heme iron and lactoferrin. 

牛奶含有铁,但与母乳中的铁不同。 母乳中的铁存在于乳铁蛋白中,有助于使铁更容易被吸收。 研究表明,高水平的铁会促使婴儿肠道内有害细菌的生长,而乳铁蛋白中的铁不会导致这种危害。 乳铁蛋白也有助于调节婴儿体内铁的吸收和利用。 如果这还不够,乳铁蛋白还具有抗菌特性,可以维护宝宝的健康。 因此,尽管牛奶中确实含有铁,但人类母乳中才含有真正最有价值的宝物 —血红素铁和乳铁蛋白。



Protein derived from animal sources, such as whey protein and casein protein, tend to contain higher levels of fat and cholesterol than plant protein. Protein from plant sources, such as soy protein, on the other hand, can contain no animal fats and no cholesterol.

动物来源的蛋白质,如:乳清蛋白和酪蛋白,往往含有比植物性蛋白质更高的脂肪和胆固醇。 另一方面,植物来源的蛋白质,例如大豆蛋白,不含动物脂肪,也不含胆固醇。

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Baby, Milk

Soy protein



https://www.sohu.com/a/452081972_682259
导致这一风险增加的原因可能是因为牛奶中的含有的性激素。但是,大豆制品与乳腺癌之间没有明显的关联。因此, 研究人员建议用豆浆代替牛奶。

https://pubmed.ncbi.nlm.nih.gov/9848512/
A high dietary intake of soy products (eg, as in Japan and Singapore) has been associated with a reduction in the incidence of breast cancer in premenopausal women.

Similar Research:
Milk intake and risk of mortality and fractures in women and men: cohort studies
https://www.bmj.com/content/349/bmj.g6015

Dairy foods might be inversely associated with the risk of stroke.
https://pubmed.ncbi.nlm.nih.gov/24472634/

Milk consumption and risk of mortality from all-cause, cardiovascular disease and cancer in older people
https://www.clinicalnutritionjournal.com/article/S0261-5614(20)30105-9/fulltext

Soybeans 101: Nutrition Facts and Health Effects
https://www.healthline.com/nutrition/foods/soybeans

Milk Does Not Do a Body Good
https://www.mic.com/articles/102698/milk-does-not-do-a-body-good

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