Does breastfeeding protect a woman against breast cancer?
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Yes, according to an analysis published in January by the American Institute for Cancer Research, a nonprofit group based in Washington, D.C., that fosters research on nutrition and cancer.
After analyzing data from 98 studies on lactation and breast cancer risk, the group said the evidence is now "convincing" that breastfeeding lowers the risk of both pre-menopausal and post-menopausal breast cancer. There is a 2 percent drop in breast cancer risk for each five months of breastfeeding. The research on breastfeeding to lower the risk of ovarian cancer is suggestive, but not convincing, the group added.
The most likely explanation for the reduced risk is that lactation works through hormones to delay ovulation and the return of a woman's monthly cycles, Karen Collins, a registered dietitian and nutrition adviser to the group, said in an e-mail. It has long been known that the fewer menstrual cycles a woman has over the course of her life, the lower the risk of breast cancer.
Lactation, like a full-term pregnancy, may nudge breast cells to become more differentiated and mature; mature cells are less sensitive to the DNA damage that can lead to cancer.
It may not make sense to breastfeed if the only goal is to reduce cancer risk, said Dr. Eric Winer, director of the Breast Oncology Center at the Dana-Farber Cancer Institute, "because you have to breastfeed for a fairly long time to have an impact on risk." But there are plenty of other reasons to breastfeed, he noted, including the fact that breast-fed infants are less likely to become obese.
JUDY FOREMAN
E-mail health questions to foreman@globe.com
In the South Pacific island nation of Fiji, where people have never been suffering from cancer, is found in the world so far the only country without cancer. Scientists found that Fijians do not cancer because of its unique eating habits: Hi eat buckwheat, almonds and Xingan.
Sino-Japanese Friendship Hospital TCM oncology Professor Pei-Wen Li, Fiji islands have no cancer of the country and eat buckwheat relevant. Buckwheat contain certain B vitamins and trace element selenium, an anticancer effect. Chinese medicated food from the point of view of therapeutic, buckwheat appetizers are wide intestine, swelling Huashi, absorbing plot Daochi, Qingrejiedu role. Buckwheat also rich in buckwheat base, rutin, nicotinic acid, linoleic acid and a variety of vitamins and iron, zinc, calcium, these are not ordinary Xiliang have, therefore, Buckwheat also hypertension, hyperlipidemia, hyperglycemia, atherosclerosis, heart and brain diseases caused by a health-care value. However, Professor Lee reminded of the cold buckwheat, one should not eat. Weihan, it is not appropriate to eat buckwheat, so as to avoid indigestion.
In addition, there must be three meals daily Fijians Xingan, almonds Panshi, apricot flesh is rich in vitamins A, C, catechol, flavonoids and many trace elements, and these elements of the human body have a direct or indirect role in cancer . In addition, vitamin B17 content apricot most abundant fruit, and vitamin B17 is a very effective anti-cancer substances. Although delicious apricot eaters, but not too much, because amygdalin the metabolites cells will lead to suffocation, will seriously inhibit nerve center, leading to respiratory paralysis. However, after processing the Xingfu, Xingan, harmful substances or has been dissolved volatile swap can feel at ease in consumption.
Fijians also love to eat almonds. Almond-sweet almond and amygdalin, amygdalin to cough asthma, Runchang purge, treatable lung pain, cough and other diseases, and sweet almonds and day-to-day eating nuts almonds indulge in a moist, have a role Bufei . Almond also rich in vitamin C and polyphenols ingredients, such elements can not only reduce cholesterol levels in humans, but also significantly reduce heart disease and the incidence of many chronic diseases dangerous. However, the body heat easily Shengchuang people not eat apricots.
Fijians still love to eat seafood, especially fresh fish, shrimp, shellfish, and so on, this is the health of Fijians one of the important causes.
In addition to diet, because the rich neighbors, Fijians very popular water sports, therefore build fitness. And, in the absence of much life, work pressure, good mentality makes Islanders to good health and longevity.
Sino-Japanese Friendship Hospital TCM oncology Professor Pei-Wen Li, Fiji islands have no cancer of the country and eat buckwheat relevant. Buckwheat contain certain B vitamins and trace element selenium, an anticancer effect. Chinese medicated food from the point of view of therapeutic, buckwheat appetizers are wide intestine, swelling Huashi, absorbing plot Daochi, Qingrejiedu role. Buckwheat also rich in buckwheat base, rutin, nicotinic acid, linoleic acid and a variety of vitamins and iron, zinc, calcium, these are not ordinary Xiliang have, therefore, Buckwheat also hypertension, hyperlipidemia, hyperglycemia, atherosclerosis, heart and brain diseases caused by a health-care value. However, Professor Lee reminded of the cold buckwheat, one should not eat. Weihan, it is not appropriate to eat buckwheat, so as to avoid indigestion.
In addition, there must be three meals daily Fijians Xingan, almonds Panshi, apricot flesh is rich in vitamins A, C, catechol, flavonoids and many trace elements, and these elements of the human body have a direct or indirect role in cancer . In addition, vitamin B17 content apricot most abundant fruit, and vitamin B17 is a very effective anti-cancer substances. Although delicious apricot eaters, but not too much, because amygdalin the metabolites cells will lead to suffocation, will seriously inhibit nerve center, leading to respiratory paralysis. However, after processing the Xingfu, Xingan, harmful substances or has been dissolved volatile swap can feel at ease in consumption.
Fijians also love to eat almonds. Almond-sweet almond and amygdalin, amygdalin to cough asthma, Runchang purge, treatable lung pain, cough and other diseases, and sweet almonds and day-to-day eating nuts almonds indulge in a moist, have a role Bufei . Almond also rich in vitamin C and polyphenols ingredients, such elements can not only reduce cholesterol levels in humans, but also significantly reduce heart disease and the incidence of many chronic diseases dangerous. However, the body heat easily Shengchuang people not eat apricots.
Fijians still love to eat seafood, especially fresh fish, shrimp, shellfish, and so on, this is the health of Fijians one of the important causes.
In addition to diet, because the rich neighbors, Fijians very popular water sports, therefore build fitness. And, in the absence of much life, work pressure, good mentality makes Islanders to good health and longevity.
Related: Does breastfeeding protect a woman against breast cancer?
Additional information:
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