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New Study Shows That Fitness Trumps Fatness In Determining Risk Of Cancer Death In Men
The Cooper Institute, a research and
education nonprofit located at the world-renowned Cooper Aerobics Center in
Dallas, announces a new study published in Obesity showing that fitness
trumps fatness in determining risk of cancer mortality among men. Cancer is
the second leading cause of death among U.S. men. While tobacco use and
poor diet remain the largest contributors to cancer mortality, for the
first time there is new research that obesity and low levels of
cardiorespiratory fitness contributes to cancer mortality as well.
"This is the first study that shows that sedentary men of all body
fatness levels should strive to become at least moderately fit in order to
decrease the risk of cancer mortality," said lead researcher and Director
of Professional Education Stephen Farrell, Ph.D. "Due to research by The
Cooper Institute, we've long known that fitness is more important than
fatness in decreasing the risk of heart disease. Now we know the same is
true about death from all cancers among men. This is an important
breakthrough to improve men's health."
Dr. Farrell studied 38,410 men who completed a comprehensive baseline
physical examination at Cooper Clinic in Dallas. Results showed a strong
and direct relationship between all measures of body fatness and cancer
mortality. Leaner men had significantly lower rates of cancer mortality
than fatter men, regardless of the method used to assess body fatness. A
strong inverse relationship between cardiorespiratory fitness level and
cancer mortality was also observed, showing lower fit men had significantly
greater rates of cancer mortality than higher fit men.
The examination included a maximal treadmill exercise test, which
provides an objective measure of cardio-respiratory fitness level. A unique
feature of the study was that different measures of body fatness including
body mass index (BMI), percent body fat, and waist circumference were also
performed. The men were followed for an average period of 17.2 years,
during which 1,037 cancer deaths occurred.
Another unique feature of the study was an examination of the cancer
mortality rates between fit and unfit men within various categories of the
different measures of adiposity or fat levels. Using the three official
categories for BMI (normal weight, overweight, obese), fit men in each
category had significantly lower death rates from cancer than unfit men.
Using the two official categories for waist circumference (obese and
non-obese), fit men in each category had significantly lower death rates
from cancer than unfit men. Similarly, using two categories for percent
body fat (obese and non-obese), fit men in each category also had
significantly lower death rates from cancer than unfit men.
Farrell added, "These data suggest that attaining a moderate to high
level of cardiorespiratory fitness may decrease some of the cancer
mortality risks associated with increased adiposity."
About The Cooper Institute
Founded in 1970 by Kenneth Cooper, M.D., M.P.H., The Cooper Institute
is a 501(c)(3) nonprofit research and education facility dedicated to
preventive medicine research and education. The Institute's research is
often cited and has affected public health policy. The Cooper Institute is
also committed to educating and certifying health and fitness professionals
by offering over 20 courses in Dallas or At Your Site and numerous fitness
tools including books and DVDs. The Cooper Institute Personal Trainer
Certification Exam (CI-CPT) is accredited by the National Commission for
Certifying Agencies (NCCA).
The Cooper Institute
http://www.cooperaerobics.com
Nou studiu aratã cã Fitness Trumps grãsime în determinarea riscului de cancer de deces la bãrbaþi - New Study Shows That Fitness Trumps Fatness In Determining Risk Of Cancer Death In Men - articole medicale engleza - startsanatate