HOME >> BIOLOGY >> NEWS
Higher fibre intake linked to later periods, scientists say

Prepubescent girls who consume more fibre in their diets can decrease by 50 per cent the risk of early onset of menstruation, say scientists at the University of Toronto.

"The risk of early menarche for girls who consumed more than 25 grams of dietary fibre a day [in the form of cereals, whole grains, vegetables and fruit] was approximately half that of girls who had less than 18 grams of fibre a day," says Malcolm Koo, a professor in public health sciences at U of T.

For his doctoral thesis, Koo studied the role of dietary fibre and its link to the onset of menstruation. The study, which took place from 1992 to 1996, involved 637 pre-menstrual girls in Ontario between the ages of six and 14. Information on dietary intake, physical activity, maternal history and date of menarche was collected. In the study, the age of menstrual onset ranged from 8.5 to 15.6 years with a median age of 13.6.

Estrogen, a hormone that develops and maintains female characteristics, is known to bind with fibre in the body, Koo says. Girls with higher fibre diets may be expelling more estrogen which correlates with later onset of menarche. As part of his research, Koo also found that girls who consume higher amounts of monounsaturated fats in their diet (such as olive and canola oil) also experience later onset of menarche.

Early menarche (for girls 12 and under) correlates to a 10 to 15 per cent higher risk of breast cancer later in life. Evidence suggests that women who have been menstruating longer have increased breast tissue exposure to estrogen, which is linked to an increased risk of developing breast cancer. The study was recently published in Public Health Nutrition and funded by the National Cancer Institute of Canada.


'"/>

Contact: Janet Wong
jf.wong@utoronto.ca
416-978-5949
University of Toronto
27-May-2002


Page: 1

Related biology news :

1. Higher blood levels of sitosterol may be associated with increased risk for coronary events
2. Study: Higher energy intake, obesity affects all age groups, not just youths
3. Basic Research and Higher Education Program Conference breaks new ground
4. Higher fat diets show same positive effects on LDLs as low fat diet
5. Higher obesity rates prevail among Dutch women exposed to famine in utero
6. New Hampshire Study Shows Well Water Has Higher Arsenic Levels Than Municipal Water
7. Higher Levels Of Protein May Predict Heart Disease
8. Software Helps Decipher Genomes Of Higher Organisms
9. New Research: Children Inhale Higher Percentage Of Pollution
10. New Analytical Methods Indicate Higher Folic Acid Concentration In Beans And Peas
11. Eating Less Fat At One Meal May Lead To Higher Fat Intake Later

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Higher fibre intake linked later periods scientists say

(Date:10/19/2014)... over the last 30 years contributed only marginally ... that time, according to a new study published ... "Energy access is fundamental to development: it brings ... communication, and health," says IIASA researcher Shonali Pachauri, ... access is widely agreed to be an important ...
(Date:10/17/2014)... in German . ... day in order to reproduce? And why are there two ... the latest issue of the research journal Molecular Human ... Steven Ramm from Bielefeld University Bielefeld has compiled this special ... for a female to copulate with several males in quick ...
(Date:10/16/2014)... new synthesis of recent research findings to inform their ... two states. , The Ecology and Management of ... Synthesis of the Relevant Biophysical Science and Implications for ... the U.S. Forest Service,s Pacific Northwest Research Station, is ... a synthesis of the large body of scientific information ...
Breaking Biology News(10 mins):Improved electricity access has little impact on climate change 2Sperm wars 2New report synthesizes best available science on management of moist mixed-conifer forests 2
(Date:10/22/2014)... 22, 2014 Grace Century, a private ... projects, announces the addition of Dr. Yousef “Josh” ... advisory team. Dr. Siddiqui will provide further healthcare expertise ... graduate of University College Medical School in ... medicine in 2001. With further certification as a General ...
(Date:10/22/2014)... NEW YORK , Oct. 22, 2014 ... Diabetes Federation, approximately 400 million people worldwide are living ... 552 million people by 2030.  The global market for ... In 2012 approximately 330,000 people worldwide died from pancreatic ... of death due to cancer in the ...
(Date:10/20/2014)... Convey Computer , the leader in ... State University won first place in the 2014 ... the team’s solution achieved the highest overall performance in ... place finisher. , Experts from all segments of the ... challenge, using a variety of design tools, hardware and ...
(Date:10/20/2014)... PureTech , a science and ... problems, announced today the closing of a $55 ... Invesco Perpetual, a $120 Billion group of funds. ... existing pipeline forward and to advance new healthcare ... creativity to really go for the big ideas ...
Breaking Biology Technology:Dr. Yousef Siddiqui joins the Grace Century Advisory Team 2Nuvilex Brief Analyst Report: Thinking Outside the Box by BrokerBank Securities, Inc. 2Team from Iowa State Wins 2014 MemoCODE Design Contest Using Convey HC-2ex 2Team from Iowa State Wins 2014 MemoCODE Design Contest Using Convey HC-2ex 3PureTech Announces Expansion with Oversubscribed $55M Funding Round 2PureTech Announces Expansion with Oversubscribed $55M Funding Round 3PureTech Announces Expansion with Oversubscribed $55M Funding Round 4PureTech Announces Expansion with Oversubscribed $55M Funding Round 5PureTech Announces Expansion with Oversubscribed $55M Funding Round 6
Cached News: