[NVIC] Study Finds Chemotherapy Damages Brains

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National Vaccine Information Center Newsletter

e-NEWS

October 9, 2006

" Experts estimate that at least 25 percent of chemotherapy patients are

affected by symptoms of confusion, so-called chemo brain, and a recent

study by the University of Minnesota reported an 82 percent rate, the

statement said. " People with 'chemo brain' often can't focus, remember

things or multitask the way they did before chemotherapy, " Silverman said.

" Our study demonstrates for the first time that patients suffering from

these cognitive symptoms have specific alterations in brain metabolism. " -

Reuters

Barbara Loe Fisher Commentary:

It should be no surprise to anyone that when medical doctors inject toxic

chemicals into cancer patients in an attempt to " kill " the cancer, it has

long term effects on brain and immune system function. Medical

interventions, from prescription drugs to vaccinations to chemo therapy,

carry an inherent risk of injury or death. That is why no medical

intervention should ever be forced on a human being without voluntary,

informed consent.

Several months ago, medical doctors trying force a 16-year old boy to

undergo chemotherapy against his will, persuaded the state of Virginia to

prosecute his parents on charges of child medical neglect for supporting

their son's decision to refuse chemotherapy. While a judge ultimately found

the parents not guilty, the judge only set the boy and his parents free

after turning them over to another medical doctor who promised to work with

the family and not force chemotherapy.

Now that the brain damaging risks of chemotherapy are finally revealed,

just like the brain damaging effects of anti-depressants, ADHD drugs and

vaccines have been revealed, it is time to make it illegal for medical

doctors to force medical treatment on U.S. citizens for any reason. There

is no freedom more fundamental than the right to voluntarily choose what

you are willing to risk your life or the life of your child for when making

health care decisions.

Chemo has long-term impact on brain function, study finds

CNN

Reuters

October 5, 2006

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WASHINGTON (Reuters) -- Chemotherapy causes changes in the brain's

metabolism and blood flow that can last as long as 10 years, a discovery

that may explain the mental fog and confusion that affect many cancer

survivors, researchers said on Thursday.

The researchers, from the University of California, Los Angeles, found that

women who had undergone chemotherapy five to 10 years earlier had lower

metabolism in a key region of the frontal cortex.

Women treated with chemotherapy also showed a spike in blood flow to the

frontal cortex and cerebellum while performing memory tests, indicating a

rapid jump in activity level, the researchers said in a statement about

their study.

" The same area of the frontal lobe that showed lower resting metabolism

displayed a substantial leap in activity when the patients were performing

the memory exercise, " said Silverman, the UCLA associate professor

who led the study.

" In effect, these women's brains were working harder than the control

subjects' to recall the same information, " he said in a statement.

Experts estimate that at least 25 percent of chemotherapy patients are

affected by symptoms of confusion, so-called chemo brain, and a recent

study by the University of Minnesota reported an 82 percent rate, the

statement said.

" People with 'chemo brain' often can't focus, remember things or multitask

the way they did before chemotherapy, " Silverman said. " Our study

demonstrates for the first time that patients suffering from these

cognitive symptoms have specific alterations in brain metabolism. "

The study, published Thursday in the online edition of Breast Cancer

Research and Treatment, tested 21 women who had surgery to remove breast

tumors, 16 of whom had received chemotherapy and five who had not.

The researchers used positron emission tomography scans to compare the

brain function of the women. They also compared the scans with those of 13

women who had not had breast cancer or chemotherapy.

Positron emission tomography creates an image of sections of the body using

a special camera that follows the progress of an injected radioactive tracer.

Researchers used the scans to examine the women's resting brain metabolism

as well as the blood flow to their brains as they did a short-term memory

exercise.

Silverman said the findings suggested that PET scans could be used to

monitor the effects of chemotherapy on brain metabolism. Since the scans

already are used to monitor patients for tumor response to therapy, the

additional tests would be easy to add, he said.

Breast cancer is the most common cancer among women, with some 211,000 new

cases diagnosed each year, the statement said.

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