HOME >> BIOLOGY >> NEWS
Study: 'Pill' may cancel some bone-building benefits of exercise

WEST LAFAYETTE, Ind. Young women who take oral contraceptives and exercise may have increased risks of bone loss, according to recent research at Purdue University.

A two-year study headed by Connie Weaver, head and distinguished professor of foods and nutrition, suggests women ages 18 to 30 who exercise while using oral contraceptives may lose bone density in the hip and spine, even more than women who take the pill and are sedentary. This loss of density could make a women susceptible to bone fractures later in life.

However, the study also indicates that women in this group who get the minimum daily requirements for calcium may be able to ward off bone loss.

"The study showed that, overall, exercise had positive affects on whole body bone mineral content for everyone," Weaver says. "Only the spine and hip were compromised if subjects who were on oral contraceptives exercised, and only then if calcium intakes were inadequate."

The purpose of the study, funded through the National Institutes of Health, was to investigate the effects of exercise on bone mineral content and bone mineral density in women 18 to 30 years old who either were or were not taking birth control pills. The study started with 180 women. At the end of the two-year period, 55 women remained.

The study, published in the June issue of the scientific journal Medicine and Science in Sports and Exercise, had several unexpected results, Weaver says.

One big surprise was that for women who use birth control pills, exercise had a negative impact on the spine and the hip, especially in the first six months, she says. By the end of the two years, that group fell below the groups of non-exercisers or non-pill users in terms of bone mineral content and bone mineral density.

Bone mineral content and bone mineral density are both indicators of bone mass. It is widely held that women with higher bone mass early in adulthood are at a lower risk for developing osteoporos
'"/>

Contact: Susan Gaidos
sgaidos@purdue.edu
765-494-2081
Purdue University
20-Jun-2001


Page: 1 2 3 4

Related biology news :

1. Study: Emission of smog ingredients from trees is increasing rapidly
2. Study: A little help from friends makes wounds heal faster
3. Study: Mothers turn fearless when peptide level drops
4. Study: Artificial sweetener may disrupt bodys ability to count calories
5. Study: Mimicking viruses may provide new way to defeat them
6. Study: Stroke victims may retain continuous motion ability
7. Study: Adults maintain significant improvement in ADHD with long-term use of amphetamine
8. Study: Prenatal screening in Haiti region cut syphilis by 75 percent
9. Study: Isoflavone-enriched soy proteins fail to increase bone mineral density in young women
10. Study: Genome-wide scanning unravels complex birth defect
11. Study: Higher energy intake, obesity affects all age groups, not just youths

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Study Pill may cancel some bone building benefits exercise

(Date:8/27/2014)... of fish began exploring land and evolved into tetrapods ... ancient fish used their fishy bodies and fins in a ... scientific mysteries. , Researchers at McGill University published in ... called Polypterus , to help show what might have ... water. Polypterus is an African fish that can ...
(Date:8/27/2014)... when it only requires nerve cells to rearrange existing ... to generate new patterns, a study of monkeys has ... through recordings of electrical activity of brain cell networks. ... of Health. , "We looked into the brain and ... outside the box," said Aaron Batista, Ph.D., an assistant ...
(Date:8/27/2014)... manipulating neural circuits in the brain of mice, ... memories. The research, led by Howard Hughes Medical ... of Technology (MIT), reveals that the connections between ... information about an experience and the part of ... that experience are malleable. , Altering those ...
Breaking Biology News(10 mins):Walking fish reveal how our ancestors evolved onto land 2Scientists plug into a learning brain 2Scientists plug into a learning brain 3Researchers change the emotional association of memories 2Researchers change the emotional association of memories 3Researchers change the emotional association of memories 4
(Date:8/28/2014)... PARK, Calif. , Aug. 28, 2014 /PRNewswire/ ... focused on developing novel mid- to late-stage cardiovascular ... $7.0 million in its first round of financing. ... Biomedical Investments and Hercules Bioventures with participation from ... entrepreneur and pharmaceutical executive, Dr. Larry Hsu ...
(Date:8/28/2014)... Earlier this month, a report was created ... U.S. Air Force on the performance of vehicles using ... type of fuel made from mustard seeds, offered great ... America’s Eco friendly future. In fact, every branch of ... independent of foreign oil over the next few years. ...
(Date:8/27/2014)... 27, 2014 Varian Medical Systems today ... current Salt Lake City manufacturing facility and allow for ... to ultimately create 1,000 new full time jobs in ... “Utah is home to hardworking people with immense engineering ... with Varian’s success in the manufacturing of our state-of-the-art ...
(Date:8/27/2014)... 2014 Reportlinker.com announces that a ... its catalogue: Global Biodegradable Packaging ... http://www.reportlinker.com/p02316661/Global-Biodegradable-Packaging-Materials-Market-2014-2018.html About Biodegradable Packaging ... readily decomposed by the action of microorganisms. ... in terms of raw materials, production technology, ...
Breaking Biology Technology:Armetheon Completes $7.0 Million Series A Financing 2Armetheon Completes $7.0 Million Series A Financing 3Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 2Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 3Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 4Can Small Farmers and a New Seed Based Biofuel “Green” the World? Major Universities and Even the U.S. Air Force Seem to Think So 5Varian Medical Systems Groundbreaking on Facility Expansion Triggers Influx of New Jobs to Salt Lake 2Varian Medical Systems Groundbreaking on Facility Expansion Triggers Influx of New Jobs to Salt Lake 3Global Biodegradable Packaging Materials Market 2014-2018 2Global Biodegradable Packaging Materials Market 2014-2018 3Global Biodegradable Packaging Materials Market 2014-2018 4Global Biodegradable Packaging Materials Market 2014-2018 5Global Biodegradable Packaging Materials Market 2014-2018 6Global Biodegradable Packaging Materials Market 2014-2018 7
Cached News: