Wednesday April 25, 2018

Combination of 50 everyday-use chemicals could be carcinogenic, says research

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image courtesy: www.upi.com
image courtesy: www.upi.com

London: A cocktail of 50 chemicals we are exposed to on a daily basis, including some found in mobile phones, detergents and pesticides used on fruits and vegetables, may trigger cancer, says a research.

“This research backs up the idea that chemicals not considered harmful by themselves may be combining and accumulating in our bodies to trigger cancer and might lie behind the global cancer epidemic we are witnessing,” said Hemad Yasaei from Brunel University London.

A global task force of 174 scientists from leading research centres across 28 countries studied the link between mixtures of commonly encountered chemicals and the development of cancer.

The study selected 85 chemicals not considered carcinogenic to humans and found 50 supported key cancer-related mechanisms at exposures found in the environment.

“A review on this scale, looking at environmental chemicals from the perspective of all the major hallmarks of cancer, is unprecedented,” professor Andrew Ward from University of Bath in Britain said.

Current research estimates that chemicals could be responsible for as many as one in five cancers.

With the human population routinely exposed to thousands of chemicals, the effects need to be better understood to reduce the incidence of cancer globally.

“Every day we are exposed to an environmental ‘chemical soup’, so we need testing that evaluates the effects of our ongoing exposure to these chemical mixtures,” lead study author William Goodson, senior scientist at the California Pacific Medical Centre in San Francisco said.

The research was published in the journal Carcinogenesis. (IANS)

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High carbohydrate intake may increase cancer recurrence risk

Five-year survival rates among these patients continue to be low, in part because these cancers are often detected in the later stages

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Can sugar contribute to growth of cancer in your body? Pixabay

Consuming high amounts of carbohydrates and sugar prior to treatment for head and neck cancer may increase the patients’ risks of cancer recurrence and mortality, a new study reports.

Patients who consumed the most total carbohydrates and sugars — in the form of sucrose, fructose, lactose and maltose — in the year preceding the cancer treatment were at greater risk of mortality from any cause during the follow-up period. Out of the 400 cancer patients in the study, published in the International Journal of Cancer, more than 17 per cent experienced recurrence of their cancer, and 42 patients died from it.

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Cancer can be caused by excessive intake of sugar and carbohydrates too. Pixabay

Associations among carbohydrate intake and patient outcomes differed by cancer type and stage, said lead author Anna E. Arthur, professor at the University of Illinois at Urbana-Champaign.

However, eating moderate amounts of fats and starchy foods such as whole grains, potatoes and legumes after treatment could have protective benefits, reducing the patients’ risks of disease recurrence and death, he added.

What We Know About Cancer Risk and Coffee

“Our results, along with the findings of other studies, suggest that diet composition can affect cancer outcomes,” said co-author Amy M. Goss, professor at the University of Alabama.

Higher mortality rates were found among people with oral cavity cancer who consumed the greatest amounts of total carbohydrates, total sugars and simple carbohydrates, but the researchers found no such associations among people who had oropharyngeal cancers.

Chronic diseases are not yet included in cancer prevention schemes.
Cancer can be caused due to too much sugar.

“Although in this study we found that higher total carbohydrate and total sugar were associated with higher mortality in head and neck cancer patients, because of the study design we can’t say that there’s a definitive cause-effect relationship,” Arthur said.

Five-year survival rates among these patients continue to be low, in part because these cancers are often detected in the later stages, putting patients at high risk of recurrence, the researchers said. IANS

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