Researchers from the United States conducted a prospective cohort study. The study included 90,476 premenopausal women, aged 27-44 years, these women from the Nurses’ Health Study II, they completed a questionnaire on diet in 1991. In 1998, these women’s 44,233 participants completed a dietary questionnaire adolescence.
The main indicators of the study is to detect invasive breast cancer new cases, determined by self-report and confirmed by pathology reports.
From the follow-up period to 2013, a total of 3235 cases of invasive breast cancer cases occur. In these cases, 1347 cases of patients who have completed puberty (13-18 years old) women diet questionnaire. Adolescence total fruit consumption and the decreased risk of breast cancer. Maximum intake (average intake of 2.9 parts / day) and one-half of the lowest intake (average intake of 0.5 parts / day) compared to a hazard ratio of 0.75 (95% confidence interval 0.62 to 0.90; P = Trend 0.01). Adolescence adult fruit intake regardless of fruit intake. Risk and early adulthood total fruit intake, there is no relationship between adolescence or early adulthood and total vegetable intake. Early adulthood intake of carotene rich fruits and vegetables can reduce the risk of pre-menopausal breast cancer. Fifth (average intake of 0.03 parts / day) highest (average intake of 0.5 parts / day) compared with the lowest intake of the hazard ratio was 0.82 (0.70 to 0.96). Adolescence fruit intake and estrogen and progesterone receptor-negative tumors to be greater than the correlation with progesterone receptor positive tumors correlated (heterogeneity P = 0.02), and it compared with the correlation between the two significant. For individual fruit and vegetable intake in early adulthood lot of apples, bananas, grapes and oranges and kale can significantly reduce the risk of breast cancer. Adolescence or early adulthood juice intake regardless of risk.
Higher intake of fruit may reduce the risk of breast cancer. Adolescent food choices also becomes very important.
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