Healthy Lifestyle on the Risk of Breast Cancer

Sánchez-Zamorano, Luisa María; Flores-Luna, Lourdes; Ángeles-Llerenas, Angélica; Romieu, Isabelle; Lazcano‐Ponce, Eduardo; Miranda-hernandez, H; Mainero-Ratchelous, Fernando; Torres-Mejı́a, Gabriela

doi:10.1158/1055-9965.epi-10-1036

Cited by 55 publications

(58 citation statements)

References 70 publications

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“…In a study conducted in Mexico 74 , adherence to a healthy lifestyle, including moderate and/or vigorous intensity physical activity, low consumption of fat, processed foods, refined cereals, complex sugars, and the avoidance of tobacco smoking and alcohol consumption, was associated with a protective effect in premenopausal women (50% decrease in risk; 95% CI: −71 to −16) when comparing the highest to the lowest quartiles.…”

Section: Healthy Lifestyle Indexmentioning

confidence: 99%

The Role of Diet, Physical Activity, Body Fatness, and Breastfeeding in Breast Cancer in Young Women: Epidemiological Evidence

Romieu

Amadou

Chajès

2017

RIC

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The incidence of breast cancer (BC) is rising worldwide, with an increase in aggressive neoplasias in young women. Traditionally, BC in young women has been thought to be etiologically driven, primarily by genetic/hereditary factors. However, these factors explain only a small proportion of BCs, pointing to a role of the environment. Suspected factors responsible for this increase include lifestyle changes, notably alcohol consumption, diet with high intake of refined carbohydrates and saturated fat and low intake of polyunsaturated fatty acids (PUFA), fiber and vitamins (such as folate, vitamin D, and carotenoids), low physical activity, and body fatness, all of which may act from childhood and adolescent years through adulthood. Despite limited data on BC in young women, evidence points to the importance of a healthy lifestyle, including high intake of vegetables, fruits, legumes, fish, and poultry, low intake of sugar and fat, daily physical activity, low alcohol consumption, steady weight, and breastfeeding in preventing BC in young women. Preventive efforts should begin in early life to provide important benefits much later in life by shifting the long-term trajectory of risk accumulation. Data from Latin America and developing regions are still sparse. There is a need to harmonize studies in a global effort to fight the rise of BC incidence in low-and middle-income countries, where the nutritional transition is occurring rapidly. The stratification of BC by specific tumor characteristics needs to be considered since risk factors may be more particularly associated with the promotion of, or protection from, a defined type of BC.

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Section: Healthy Lifestyle Indexmentioning

confidence: 99%

The Role of Diet, Physical Activity, Body Fatness, and Breastfeeding in Breast Cancer in Young Women: Epidemiological Evidence

Romieu

Amadou

Chajès

2017

RIC

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“…The Healthy Eating Index (HEI), the Diet Quality Index (DQI) and the Recommended Food Score (RFS) are recent examples, but have little or no association with BC risk and/or mortality (21,23,24) . More robust evidence with BC risk and mortality was produced by using scores integrating dietary components with other lifestyle factors such as body fatness, physical activity, alcohol consumption and/or smoking habits (25)(26)(27) . In 2007, the World Cancer Research Fund (WCRF) in collaboration with the American Institute for Cancer Research (AICR) summarized the existing scientific evidence on the role of foods, nutrition and physical activity in the aetiology of cancer (4) .…”

mentioning

confidence: 99%

Adherence to the World Cancer Research Fund/American Institute for Cancer Research cancer prevention recommendations and breast cancer risk in the Cancer de Màma (CAMA) study

Fanidi

Ferrari

Biessy

et al. 2015

Public Health Nutr.

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Objective: We investigated the association between adherence to the recommendations of the World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) and breast cancer (BC) risk in the Cancer de Màma (CAMA) study in a Mexican population. Design: Population-based case-control study. Subjects: Incident BC cases (n 1000) and controls (n 1074) matched on age, region and health-care system were recruited. Setting: In-person interviews were conducted to assess BC risk factors and habitual diet was assessed with an FFQ. Conformity to the WCRF/AICR recommendations was evaluated through a score incorporating seven WCRF/ AICR components (body fatness, physical activity, foods and drinks that promote weight gain, plant foods, animal foods, alcoholic drinks and breast-feeding), with high scores indicating adherence to the WCRF/AICR recommendations. Results: No statistically significant associations between WCRF/AICR score and risk of BC were observed. After excluding BMI from the WCRF/AICR score, the top quartile was associated with a decreased BC risk overall, with OR Q4-Q1 = 0·68 (95 % CI 0·49, 0·92, P trend = 0·03), and among postmenopausal women, with OR Q4-Q1 = 0·60 (95 % CI 0·39, 0·94, P trend = 0·03). Inverse associations were observed between BMI and risk of BC overall and among premenopausal women, with OR = 0·57 (95 % CI 0·42, 0·76, P trend < 0·01) and 0·48 (95 % CI 0·31, 0·73, P trend < 0·01), respectively. Physical activity level was inversely associated with BC risk. Conclusions: The WCRF/AICR index was not related with BC risk in the CAMA study. A combination of six components excluding BMI showed strong protective associations, particularly in postmenopausal women. Further prospective studies are required to clarify the role of adherence to WCRF/AICR recommendations, particularly with respect to BMI, in the Mexican population. Keywords Breast cancer Diet Physical activity Weight managementMexican women

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“…A previous analysis from the MBCS examined healthy lifestyle associations with risk of breast cancer. 56 A history of ever smoking by menopausal status was analyzed, in conjunction with other variables considered in a healthy lifestyle index, but results were not statistically significant (premenopausal: OR 1.20, 95% CI 0.83-1.73; postmenopausal: OR 0.82, 95% CI 0.57-1.18). 56 Smoking duration and intensity were not examined.…”

Section: Discussionmentioning

confidence: 99%

Cigarette Smoking and Breast Cancer Risk in Hispanic and Non-Hispanic White Women: The Breast Cancer Health Disparities Study

Connor

Baumgartner

et al. 2016

Journal of Women's Health

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Objective: Few epidemiological studies have included Hispanics with the evaluation of the effects of cigarette smoking and breast cancer. We examined the relationship between cigarette smoking, ethnicity, and breast cancer risk using data from the Breast Cancer Health Disparities Study (BCHDS). Materials and Methods:The BCHDS is a consortium of three population-based case-control studies, including U.S. non-Hispanic whites (NHWs) (1,525 cases; 1,593 controls), U.S. Hispanics/Native Americans (1,265 cases; 1,495 controls), and Mexican women (990 cases; 1,049 controls). Multivariable logistic regression was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs). Results: Breast cancer risk was elevated among Mexican former smokers (OR 1.43, 95% CI 1.04-1.96) and among those who smoked ‡31 years (OR 1.95, 95% CI 1.13-3.35), compared to never smokers. In addition, Mexican former smokers with a history of alcohol consumption had increased breast cancer risk (OR 2.30, 95% CI 1.01-5.21). Among NHW premenopausal women, breast cancer risk was increased for smoking ‡20 cigarettes per day (OR 1.61, 95% CI 1.07-2.41). Conclusion: Our findings suggest the possibility of ethnic differences with the associations between cigarette smoking and breast cancer risk.

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Healthy Lifestyle on the Risk of Breast Cancer

Cited by 55 publications

References 70 publications

The Role of Diet, Physical Activity, Body Fatness, and Breastfeeding in Breast Cancer in Young Women: Epidemiological Evidence

The Role of Diet, Physical Activity, Body Fatness, and Breastfeeding in Breast Cancer in Young Women: Epidemiological Evidence

Adherence to the World Cancer Research Fund/American Institute for Cancer Research cancer prevention recommendations and breast cancer risk in the Cancer de Màma (CAMA) study

Cigarette Smoking and Breast Cancer Risk in Hispanic and Non-Hispanic White Women: The Breast Cancer Health Disparities Study

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