A recent Japanese study, published by the British Journal of Cancer in September this year, has found that women who get six or less hours sleep a night are much more likely to develop breast cancer than the rest of the population.

The study involved 23,995 Japanese women aged between 40 and 79 who were followed for an eight year period. Over the course of the study, 143 women developed breast cancer. The researchers found that women who slept for 6 or less hours a night were 62% more likely to develop breast cancer compared to women who slept for an average of 7 hours a night.

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A study, published in the peer reviewed medical journal Nutrition and Cancer, has found that walnuts can dramatically cut the growth rate of breast tumors in mice.

The study, conducted by researchers at the Department of Biochemistry and Microbiology at the Marshall University School of Medicine in West Virginia, USA, involved the implantation of human breast cancer cells in a group of 22 mice. The tumors were allowed to grow to between 3mm and 5mm in size at which point the mice were divided into two groups.

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A study, published this month in the journal Cancer Epidemiology, Biomarkers, And Prevention, has suggested that smokers may be able to reduce their risk of developing lung cancer by as much as 60% by consuming at least one glass of red wine each day.

The research was conducted by scientists at Kaiser Permanente in Oakland, California, and involved the study of 84,170 men aged between 45 and 69.

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A high intake of dairy products can increase the risk of prostate cancer by as much as 30% according to a study published in the American Journal of Clinical Nutrition in 2001.

The researchers, based at the Harvard Medical School in Boston, used data from the Physicians’ Health Study which involved more than 20,000 men from the United States who were followed from 1984 to 1995.

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A low intake of fruit and vegetables, and a high fat diet may be risk factors for bladder cancer according to the findings of a study published in the American Journal of Epidemiology in April 2000.

The study involved the analysis of 38 previous research studies on the impact of diet on bladder cancer. The researchers looked at six dietary variables: high meat intake, high fat intake, low vegetable consumption, low fruit consumption, low intake of retinol (vitamin A), and low intake of beta-carotene.

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A form of Vitamin E known as alpha-tocopherol may reduce both the risk of developing and dying from prostate cancer according to a study published in the Journal of the National Cancer Institute.

The study, which was published back in 1998 by researchers at the Department of Public Health in Helsinki, Finland, looked at the effects of both beta-carotene and alpha-tocopherol on the risk of prostate cancer. Beta-carotene is an antioxidant that is converted by the body into Vitamin A. Alpha-tocopherol is the most common form of Vitamin E and is also the most beneficially in terms of antioxidant activity. It is also the form commonly used in Vitamin E supplements.

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A new study has found that men who eat at least 400g of broccoli a week (around three servings) may be at a decreased risk of developing prostate cancer due to broccoli’s ability to modify the expression of certain genes involved in the development of prostate cancer.

The study was carried out by researchers from Norwich in the United Kingdom and was published in the July issue of the journal PLoS One. Researchers followed 22 men aged between 57 and 70 who were at high risk of developing prostate cancer. The men were divided into two groups, the first group consumed 400g of broccoli a week while the second group consumed 400g of peas a week in addition to their normal diets.

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Women with large waist sizes may be up to 70% more likely to develop pancreatic cancer according to a new study published this month in the British Journal of Cancer.

The study, which was headed by Dr Juhua Luo of the Karolinska Institute in Sweden, involved the study of almost 140,000 post-menopausal women from the Women’s Health Initiative. The women were initially free of pancreatic cancer and were followed for an average period of 7.7 years.

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A new study, published in the Journal of the National Cancer Institute has found that Vitamin D is not effective in reducing the risk of developing prostate cancer.

Recent studies have found a link between vitamin D levels and a reduction in the risk of many forms of cancer such as breast, colon, and lung cancer however studies on the relationship between vitamin D and prostate cancer have yielded mixed results to date.

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A new study, conducted by Swedish researchers at the Karolinska Institute, has suggested that men who engage in moderate physical exercise in a regular basis have a reduced risk of developing and subsequently dying from cancer.

The study was published this month in the British Journal of Cancer and involved the study of 40,708 Swedish men aged between 45 and 79 who were questioned on their exercise habits.

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Regular consumption of fish may reduce the risk of developing many forms of cancer including cancers of the esophagus, mouth, stomach, colon, and pancreas according to a study published in the American Journal of Clinical Nutrition in July 1999.

The study, conducted by Italian researchers, involved the comparison of over 8,000 people who had been diagnosed with various forms of cancer with 7,990 control subjects who were free of cancer.

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A report, published by the Cancer Institute NSW in Australia has found that alcohol might be more strongly linked to cancer than previous thought.

The authors of the report reviewed the findings of 634 previous studies to determine the link between alcohol consumption and the risk of various cancers. In total, cancer risk was found to be 22% higher in people who consumed four alcoholic drinks a day compared to non-drinkers and 90% higher in those who consumed eight alcoholic drinks a day. On the other hand, consumption of two alcoholic drinks a day appeared to have little or no effect on cancer risk.

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Diets high in folate, also known as folic acid or vitamin B9, have been implicated with a reduced risk of many cancers including colo-rectal, lung, and esophageal cancer. Recent evidence also suggests a link between folate and a reduction in pancreatic cancer risk of up to 75% in some cases.

The study, conducted by Swedish researchers and published in the Journal of the National Cancer Institute in March 2006 involved the study of 81,922 men and women from Sweden for an average of 6.8 years.

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A new study, published in the journal Breast Cancer Research in April this year has found that daily aspirin use leads to a modest reduction in the risk of breast cancer.

The study, conducted by researchers at the US National Cancer Institute in Rockville, USA, focused on 136,408 women aged between 51 and 72 and who were free of cancer at the beginning of the study in 1996-1997.

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Those who have diabetes are less likely to develop prostate cancer, particularly advanced prostate cancer according to a recent study. Diabetics tend to have lower testosterone levels than non-diabetics which is thought to be responsible for the lower incidence of prostate cancer observed in diabetic individuals.

The study, published in the American Journal of Epidemiology in 2004, involved comparing the diabetes status of 1,110 individuals from the US Physicians Heath Study who had been diagnosed with prostate cancer and comparing them to 1,110 control subjects who were free of prostate cancer.

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