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Cancer Causes Control. 2017 Jan;28(1):1-4. doi: 10.1007/s10552-016-0831-5. Epub 2016 Nov 22.

Sex differences in the association of obesity and colorectal cancer risk.

Author information

1
Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, MA, USA.
2
Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA, USA. egiovann@hsph.harvard.edu.
3
Department of Epidemiology, Harvard T. H. Chan School of Public Health, Building 2, Room 371, 665 Huntington Avenue, Boston, MA, 02115, USA. egiovann@hsph.harvard.edu.
4
Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. egiovann@hsph.harvard.edu.

Abstract

Epidemiological research has convincingly shown that obesity increases colorectal cancer (CRC) risk, with generally stronger associations observed in men than in women. Evidence from the past several years has demonstrated a divergent pattern between men and women regarding the weight changes throughout life or timing of obesity for CRC risk. For men, weight gain later in life appears to be an important risk factor for CRC that mostly accounts for their generally strong association between adult body mass index and CRC risk. For women, however, early life obesity seems to be more important than adult weight gain in determining CRC risk. A knowledge of these sex patterns may have implications on better understanding colorectal carcinogenesis and may further improve prevention efforts for CRC.

KEYWORDS:

Body mass index; Colorectal cancer; Female; Male; Obesity

PMID:
27878394
DOI:
10.1007/s10552-016-0831-5
[Indexed for MEDLINE]
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