NaturalNews) The Centers for Disease Control (CDC) reports that 68
percent of adults over the age of 20 are overweight, half of whom are
considered obese. Of course obesity is also strongly linked to many
other health problems including heart disease, type 2 diabetes and
cancer. The economic costs are enormous. A 2011 article in the The
Lancet estimates the annual medical costs of these diseases will
increase by as much as $60 billion by 2030. While there is no magic
solution to weight loss, research supports a number of health benefits
of dark chocolate for this purpose including reduced insulin
sensitivity, increased feelings of fullness and reduced stress and
cortisol levels.
1. Reduce insulin resistance with dark chocolate
Insulin,
which is released by the pancreas when blood sugar rises, has the job
of escorting blood glucose into the cells. Repeated release of insulin
due to too much sugary food causes the cells to develop resistance to
insulin preventing it from doing its job and depriving the cells of
needed nutrition. Now the body fears starvation, calls for more food and
signals a need to store fat to protect against starvation. The result?
Weight gain.
Substituting dark chocolate for some of the sugary
foods may help reduce insulin resistance. A 2005 study published in The
American Journal of Clinical Nutrition reported on research in which 15
healthy individuals ate either white or dark chocolate for 15 days. At
the end of this time those who ate the dark chocolate experienced
significantly higher insulin sensitivity and significantly lower insulin
resistance compared to the white chocolate group. As a nice bonus, the
dark chocolate group also experienced lower blood pressure.
This
is not an isolated study. Research published in 2012 in The American
Journal of Clinical Nutrition and based on a meta-analysis of 42 studies
of chocolate and cocoa, supported the connection between dark chocolate
consumption and significant reductions in serum insulin which caused
resistance to insulin to decrease. They also found chocolate associated
with consistent reductions in blood pressure.
2. Chocolate helps stop food cravings
Reductions
in food cravings between meals can help prevent overeating and this
means foods that promote feelings of fullness can be important for
weight loss. Once again healthy dark chocolate may be part of the
answer. A study from Denmark reviewed in a 2008 edition of Science Daily
found that dark chocolate, compared to milk chocolate, was more filling
and also lessened cravings for unhealthy foods.
Sixteen lucky
study subjects ate either dark or milk chocolate and then gave feedback
on how hungry they felt over the next several hours. At the two and a
half hour mark they were given as much pizza as they could eat.
Researchers recorded calorie intake for each individual and found that
it was 15 percent less for those who had previously eaten dark
chocolate. The same group also noted lower cravings for snack foods
(sweet, salty or fatty) compared to the milk chocolate group.
3. Chocolate reduces stress and cortisol levels
Stress
triggers release of cortisol which causes the body to secrete more
insulin leading to overeating. In a 2009 study published in the Journal
of Proteome Research, 30 subjects who suffered from anxiety consumed 1.4
ounces of dark chocolate daily for two weeks. Urinalysis showed a
resulting reduction in the excretion of cortisol prompting the
scientists to conclude chocolate can alter human metabolism.
http://wyophotographer.myvi.net/
No comments:
Post a Comment