In my role
as coach for the AARP Fat
2 Fit Community Weight-Loss Challenge, I ask experts to share their
insights on issues involving fitness. One such expert is Dr. Marisa Weiss, the
founder, president and guiding force behind Breastcancer.org,
the world's most trafficked online resource for medically reviewed breast
health and breast cancer information. (See her full biography below.)
I asked Dr.
Weiss, “Is there a link between surplus pounds and breast cancer?” Her answer
follows.
“Most likely. Significant evidence links excess weight with a
higher risk of breast cancer—both for a first diagnosis and for recurrence.
Because fat cells help produce estrogen, the more fat cells you have, the more
estrogen you have to stimulate breast cells, including breast-cancer cells (if
any are present).
Fat also collects pesticides and other potentially unhealthy
substances. Found in food, beverages,
personal products, water and air, pesticides and unhealthy substances are
consumed or inhaled over a lifetime Various chemicals present in these
substances dissolve in fat. And some of these chemicals are considered
carcinogenic (cancer causing).
Furthermore, the location of fat cells may also affect your
breast-cancer risk. Studies suggest that apple-shaped women may experience a
higher incidence of breast cancer than pear-shaped women. One theory indicates
that excess fat in the belly area may be more likely to produce unhealthy
amounts of hormones than fat located on the hips.
While it’s not known if changing your shape, assuming that were
possible, could reduce your risk of breast cancer, evidence confirms that
losing weight overall and keeping it off does help lower risk.”
Researchers
increasingly report numerous health benefits when we lose surplus pounds and
become more active and fit. And Dr. Weiss’s assertion of the link between
obesity and breast cancer adds yet another good reason. We can realize health
benefits and reduce the risk of life-threatening breast cancer by managing our
weight.
Biography
of Marisa C. Weiss, MD
Dr. Marisa Weiss is a breast cancer oncologist with 20 years of
active practice in the Philadelphia region, Marisa is regarded as a visionary
advocate for her innovative and steadfast approach to informing, empowering and
treating patients with breast cancer. Author of the acclaimed books Living beyond Breast Cancer and Taking Care of Your “Girls”: A Breast Health
Guide for Girls, Teens and
In-Betweens, Marisa has received many awards and currently practices at
Lankenau Hospital, where she serves as director of breast radiation oncology
and the director of breast health outreach. Marisa guides patients on how to
improve their health and fitness to reduce the risk for cancer.
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