Early Life Residence, Fish Consumption, and Risk of Breast Cancer
Little is known about fish intake throughout the life course and the risk of breast cancer. We used data on the first residence of 9,340 women born 1908 to 1935 in the Reykjavik Study as well as food frequency data for different periods of life from a subgroup of the cohort entering the Age, Gene/En...
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| Veröffentlicht in: | Cancer epidemiology, biomarkers & prevention biomarkers & prevention, 2017-03, Vol.26 (3), p.346-354 |
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| creator | Haraldsdottir, Alfheidur Steingrimsdottir, Laufey Valdimarsdottir, Unnur A Aspelund, Thor Tryggvadottir, Laufey Harris, Tamara B Launer, Lenore J Mucci, Lorelei A Giovannucci, Edward L Adami, Hans-Olov Gudnason, Vilmundur Torfadottir, Johanna E |
| description | Little is known about fish intake throughout the life course and the risk of breast cancer.
We used data on the first residence of 9,340 women born 1908 to 1935 in the Reykjavik Study as well as food frequency data for different periods of life from a subgroup of the cohort entering the Age, Gene/Environment Susceptibility (AGES)-Reykjavik Study (
= 2,882).
During a mean follow-up of 27.3 years, 744 women were diagnosed with breast cancer in the Reykjavik Study. An inverse association of breast cancer was observed among women who lived through the puberty period in coastal villages, compared with women residing in the capital area [HR, 0.78; 95% confidence interval (CI), 0.61-0.99]. In the subgroup analysis of this Icelandic population, generally characterized by high fish intake, we found an indication of lower risk of breast cancer among women with high fish consumption (more than 4 portions per week) in adolescence (HR, 0.71; 95% CI, 0.44-1.13) and midlife (HR, 0.46; 95% CI, 0.22-0.97), compared with low consumers (2 portions per week or less). No association was found for fish liver oil consumption in any time period, which could be due to lack of a reference group with low omega-3 fatty acids intake in the study group.
Our findings suggest that very high fish consumption in early to midlife may be associated with a reduced risk of breast cancer.
Very high fish consumption in early adulthood to midlife may be associated with decreased risk of breast cancer.
. |
| doi_str_mv | 10.1158/1055-9965.EPI-16-0473-T |
| format | Article |
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We used data on the first residence of 9,340 women born 1908 to 1935 in the Reykjavik Study as well as food frequency data for different periods of life from a subgroup of the cohort entering the Age, Gene/Environment Susceptibility (AGES)-Reykjavik Study (
= 2,882).
During a mean follow-up of 27.3 years, 744 women were diagnosed with breast cancer in the Reykjavik Study. An inverse association of breast cancer was observed among women who lived through the puberty period in coastal villages, compared with women residing in the capital area [HR, 0.78; 95% confidence interval (CI), 0.61-0.99]. In the subgroup analysis of this Icelandic population, generally characterized by high fish intake, we found an indication of lower risk of breast cancer among women with high fish consumption (more than 4 portions per week) in adolescence (HR, 0.71; 95% CI, 0.44-1.13) and midlife (HR, 0.46; 95% CI, 0.22-0.97), compared with low consumers (2 portions per week or less). No association was found for fish liver oil consumption in any time period, which could be due to lack of a reference group with low omega-3 fatty acids intake in the study group.
Our findings suggest that very high fish consumption in early to midlife may be associated with a reduced risk of breast cancer.
Very high fish consumption in early adulthood to midlife may be associated with decreased risk of breast cancer.
.</description><identifier>ISSN: 1055-9965</identifier><identifier>EISSN: 1538-7755</identifier><identifier>DOI: 10.1158/1055-9965.EPI-16-0473-T</identifier><identifier>PMID: 27765796</identifier><language>eng</language><publisher>United States: American Association for Cancer Research, Inc</publisher><subject>Adolescent ; Adolescents ; Adult ; Age Factors ; Aged ; Animals ; Breast cancer ; Breast Neoplasms - epidemiology ; Consumption ; Fatty acids ; Fatty Acids, Omega-3 ; Feeding Behavior ; Female ; Fish ; Fish Oils ; Fishes ; Health risk assessment ; Health risks ; Humans ; Iceland - epidemiology ; Longitudinal Studies ; Menarche ; Middle Aged ; Omega-3 fatty acids ; Population Surveillance ; Proportional Hazards Models ; Prospective Studies ; Puberty ; Residence Characteristics ; Risk Factors ; Seafood ; Surveys and Questionnaires</subject><ispartof>Cancer epidemiology, biomarkers & prevention, 2017-03, Vol.26 (3), p.346-354</ispartof><rights>2016 American Association for Cancer Research.</rights><rights>Copyright American Association for Cancer Research, Inc. Mar 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c516t-7aa770ecbb4762a51e3c8d93979798016f29b5c0b671f5e3d44a0ce46040a0663</citedby><cites>FETCH-LOGICAL-c516t-7aa770ecbb4762a51e3c8d93979798016f29b5c0b671f5e3d44a0ce46040a0663</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,550,776,780,881,3343,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27765796$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttp://kipublications.ki.se/Default.aspx?queryparsed=id:135240814$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Haraldsdottir, Alfheidur</creatorcontrib><creatorcontrib>Steingrimsdottir, Laufey</creatorcontrib><creatorcontrib>Valdimarsdottir, Unnur A</creatorcontrib><creatorcontrib>Aspelund, Thor</creatorcontrib><creatorcontrib>Tryggvadottir, Laufey</creatorcontrib><creatorcontrib>Harris, Tamara B</creatorcontrib><creatorcontrib>Launer, Lenore J</creatorcontrib><creatorcontrib>Mucci, Lorelei A</creatorcontrib><creatorcontrib>Giovannucci, Edward L</creatorcontrib><creatorcontrib>Adami, Hans-Olov</creatorcontrib><creatorcontrib>Gudnason, Vilmundur</creatorcontrib><creatorcontrib>Torfadottir, Johanna E</creatorcontrib><title>Early Life Residence, Fish Consumption, and Risk of Breast Cancer</title><title>Cancer epidemiology, biomarkers & prevention</title><addtitle>Cancer Epidemiol Biomarkers Prev</addtitle><description>Little is known about fish intake throughout the life course and the risk of breast cancer.
We used data on the first residence of 9,340 women born 1908 to 1935 in the Reykjavik Study as well as food frequency data for different periods of life from a subgroup of the cohort entering the Age, Gene/Environment Susceptibility (AGES)-Reykjavik Study (
= 2,882).
During a mean follow-up of 27.3 years, 744 women were diagnosed with breast cancer in the Reykjavik Study. An inverse association of breast cancer was observed among women who lived through the puberty period in coastal villages, compared with women residing in the capital area [HR, 0.78; 95% confidence interval (CI), 0.61-0.99]. In the subgroup analysis of this Icelandic population, generally characterized by high fish intake, we found an indication of lower risk of breast cancer among women with high fish consumption (more than 4 portions per week) in adolescence (HR, 0.71; 95% CI, 0.44-1.13) and midlife (HR, 0.46; 95% CI, 0.22-0.97), compared with low consumers (2 portions per week or less). No association was found for fish liver oil consumption in any time period, which could be due to lack of a reference group with low omega-3 fatty acids intake in the study group.
Our findings suggest that very high fish consumption in early to midlife may be associated with a reduced risk of breast cancer.
Very high fish consumption in early adulthood to midlife may be associated with decreased risk of breast cancer.
.</description><subject>Adolescent</subject><subject>Adolescents</subject><subject>Adult</subject><subject>Age Factors</subject><subject>Aged</subject><subject>Animals</subject><subject>Breast cancer</subject><subject>Breast Neoplasms - epidemiology</subject><subject>Consumption</subject><subject>Fatty acids</subject><subject>Fatty Acids, Omega-3</subject><subject>Feeding Behavior</subject><subject>Female</subject><subject>Fish</subject><subject>Fish Oils</subject><subject>Fishes</subject><subject>Health risk assessment</subject><subject>Health risks</subject><subject>Humans</subject><subject>Iceland - epidemiology</subject><subject>Longitudinal Studies</subject><subject>Menarche</subject><subject>Middle Aged</subject><subject>Omega-3 fatty acids</subject><subject>Population Surveillance</subject><subject>Proportional Hazards Models</subject><subject>Prospective Studies</subject><subject>Puberty</subject><subject>Residence Characteristics</subject><subject>Risk Factors</subject><subject>Seafood</subject><subject>Surveys and Questionnaires</subject><issn>1055-9965</issn><issn>1538-7755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>D8T</sourceid><recordid>eNqNklFvFCEQx4nR2Fr9Ckriiw-lDssOLC8m7eWqTS7RNOczYVnW0u4tJ-xq-u3lctfG-mQIYcL8ZjLw_xPyjsMZ59h85IDItJZ4tvx2xbhkUCvB1s_IMUfRMKUQn5f4gToir3K-BQClEV-So0opiUrLY3K-tGm4p6vQe3rtc-j86PwpvQz5hi7imOfNdgpxPKV27Oh1yHc09vQieZsnurCFTa_Ji94O2b85nCfk--VyvfjCVl8_Xy3OV8whlxNT1ioF3rVtrWRlkXvhmk4LrcpqgMu-0i06aKXiPXrR1bUF52sJNViQUpwQtu-bf_vt3JptChub7k20wRyu7krkDQJHrQr_ac-XzMZ3zo9TssOTsqeZMdyYH_GXQSFk2aXBh0ODFH_OPk9mE7Lzw2BHH-dseKNUU4FA-R-oQORKABT0_T_obZzTWH7OcN2ICrWGulBqT7kUc06-f5ybg9k5wOy0NTttTXGA4dLsHGDWpfLt389-rHuQXPwB59CrTA</recordid><startdate>20170301</startdate><enddate>20170301</enddate><creator>Haraldsdottir, Alfheidur</creator><creator>Steingrimsdottir, Laufey</creator><creator>Valdimarsdottir, Unnur A</creator><creator>Aspelund, Thor</creator><creator>Tryggvadottir, Laufey</creator><creator>Harris, Tamara B</creator><creator>Launer, Lenore J</creator><creator>Mucci, Lorelei A</creator><creator>Giovannucci, Edward L</creator><creator>Adami, Hans-Olov</creator><creator>Gudnason, Vilmundur</creator><creator>Torfadottir, Johanna E</creator><general>American Association for Cancer Research, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TM</scope><scope>7TO</scope><scope>H94</scope><scope>7X8</scope><scope>5PM</scope><scope>ADTPV</scope><scope>AOWAS</scope><scope>D8T</scope><scope>ZZAVC</scope></search><sort><creationdate>20170301</creationdate><title>Early Life Residence, Fish Consumption, and Risk of Breast Cancer</title><author>Haraldsdottir, Alfheidur ; 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We used data on the first residence of 9,340 women born 1908 to 1935 in the Reykjavik Study as well as food frequency data for different periods of life from a subgroup of the cohort entering the Age, Gene/Environment Susceptibility (AGES)-Reykjavik Study (
= 2,882).
During a mean follow-up of 27.3 years, 744 women were diagnosed with breast cancer in the Reykjavik Study. An inverse association of breast cancer was observed among women who lived through the puberty period in coastal villages, compared with women residing in the capital area [HR, 0.78; 95% confidence interval (CI), 0.61-0.99]. In the subgroup analysis of this Icelandic population, generally characterized by high fish intake, we found an indication of lower risk of breast cancer among women with high fish consumption (more than 4 portions per week) in adolescence (HR, 0.71; 95% CI, 0.44-1.13) and midlife (HR, 0.46; 95% CI, 0.22-0.97), compared with low consumers (2 portions per week or less). No association was found for fish liver oil consumption in any time period, which could be due to lack of a reference group with low omega-3 fatty acids intake in the study group.
Our findings suggest that very high fish consumption in early to midlife may be associated with a reduced risk of breast cancer.
Very high fish consumption in early adulthood to midlife may be associated with decreased risk of breast cancer.
.</abstract><cop>United States</cop><pub>American Association for Cancer Research, Inc</pub><pmid>27765796</pmid><doi>10.1158/1055-9965.EPI-16-0473-T</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adolescent Adolescents Adult Age Factors Aged Animals Breast cancer Breast Neoplasms - epidemiology Consumption Fatty acids Fatty Acids, Omega-3 Feeding Behavior Female Fish Fish Oils Fishes Health risk assessment Health risks Humans Iceland - epidemiology Longitudinal Studies Menarche Middle Aged Omega-3 fatty acids Population Surveillance Proportional Hazards Models Prospective Studies Puberty Residence Characteristics Risk Factors Seafood Surveys and Questionnaires |
| title | Early Life Residence, Fish Consumption, and Risk of Breast Cancer |
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