Dr. McKee’s Health Matters

Archive for the 'cancer' Category

Study linking Vitamin D levels and cancer prevention

Saturday, November 14th, 2009

A study in the Annals of Epidemiology linking vitamin D and Cancer Prevention.
It is projected that raising the minimum year- round serum 25(OH)D level to 40 to 60 ng/mL (100–150 nmol/L) would prevent approximately 58,000 new cases of breast cancer and 49,000 new cases of colorectal cancer each year, and three fourths [...]

Routine Removal of Ovaries During Hysterectomy May be Harmful

Tuesday, May 5th, 2009

The advice I’ve always given women past menopause who were having hysterectomies for some good reason (it used to be simply medical fashion), has been to leave their ovaries in place—and especially so for women who haven’t yet reached menopause.   A recent study conducted by Saint John’s Health Center and reported on Reuters seems to [...]

Omega-3 Kills Cancer Cells

Tuesday, April 7th, 2009

Medical News today reported the results of a study showing DHA’s role in reducing tumor size:
Docosahexanoic acid (DHA), an omega-3 fatty acid found in fish oils, has been shown to reduce the size of tumours and enhance the positive effects of the chemotherapy drug cisplatin, while limiting its harmful side effects.
Ever since a case report [...]

Grape seed extract kills leukemia cells

Saturday, January 3rd, 2009

A new study from the University of Kentucky (where I graduated from medical school in 1975!) was published Jan 1st 2009 in Clinical Cancer Research.
An extract from grape seeds forces laboratory leukemia cells to commit cell suicide, according to researchers from the University of Kentucky. They found that within 24 hours, 76 percent of leukemia [...]

vitamin D supposedly doesn’t protect against breast cancer

Thursday, November 20th, 2008

A study of 36,000 women, half of whom took a gram of calcium and 400 IU of vitamin D for a period of 7 years was recently published in the Journal of the National Cancer Instutute
The main findings do not support a causal relationship between calcium and vitamin D supplement use and reduced breast cancer incidence, despite [...]

Example of partial responsibility of epidemic of vitamin D deficiency

Friday, September 26th, 2008

Scaring ourselves out of the sun may be fueling epidemics of cancer and autoimmune disease. Here’s a classic example:
There is no such thing as a safe tan, U.S. and British researchers said on Thursday.
They said in their review of published studies that tans and skin cancer both begin with DNA damage caused by exposure to [...]

Walnuts Slow Growth of Tumors in Mice

Friday, September 26th, 2008

Here an interesting study I’ve come across:
Researcher W. Elaine Hardman, Ph.D., of Marshall’s Joan C. Edwards
School of Medicine said the study was designed to determine whether mice
that got part of their calories by eating walnuts had slower breast cancer
growth than a group eating a diet more typical of the American diet.
“When we fed the mice [...]

Prostate screening controversy

Friday, September 26th, 2008

As NBC chief science correspondent commented:
What is needed are better methods of differentiating the cancer that is truly dangerous and needs to be treated, from the cancer that poses no risk. Such research is underway. Meanwhile, the National Institutes of Health has been running a study of 74,000 men since 1993, trying to determine whether [...]