Thursday April 25, 2019

Diets Rich in Fat can increase the Risk of a Major Eye Disease, warns a Study

Bacteria in your intestines may play an important role in determining if you will develop blinding wet Age-Related Macular Degeneration

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Representational image. Pixabay

Toronto, November 16, 2016: Diets rich in fat can bring such changes in the bacterial communities of your gut that they can eventually increase risk of developing age-related macular degeneration (AMD) or aggravate the blinding disease, warns a study.

Bacteria in your intestines may play an important role in determining if you will develop blinding wet AMD – late form of the disease, said the study published in the journal EMBO Molecular Medicine.

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“Our study suggests that diets rich in fat alter the gut microbiome in a way that aggravates wet AMD, a vascular disease of the aging eye,” said lead researcher Przemyslaw (Mike) Sapieha, Professor at University of Montreal in Canada.

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“Influencing the types of microbes that reside in your gut either through diet or by other means may thus affect the chances of developing AMD and progression of this blinding disease,” Sapieha noted.

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AMD is characterised by a heightened immune response, sizeable deposits of fat debris at the back of the eye called soft drusen (early AMD), destruction of nerve cells, and growth of new diseased blood vessels (wet AMD, late form).

While only accounting for roughly 10 per cent of cases of AMD, wet AMD is the primary form leading to blindness.

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Current treatments becomes less effective with time. It is therefore important to find new ways to prevent the onset of this debilitating disease.

The researchers found that changes in the bacterial communities of your gut, such as those brought on by a diet rich in fat, can cause long-term low-grade inflammation in your whole body and eventually promote diseases such as wet AMD. (IANS)

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High Levels of Bacteria Found in Raw Meat Dog Foods, Says Study

Dogs should not be fed raw meat products while being treated with antibiotics as this could increase the risk of antibiotic resistance

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Gut Bacteria.
Gut Bacteria. Pixabay

Feeding your pooch with raw meat could pose potential health risks as they contain high levels of bacteria, researchers have warned.

A study by researchers from the University of Agricultural Sciences in Sweden showed that many raw meat products contain enterobacteriaceae species, which are indicators of faecal contamination and hygiene standards.

Such food products can also cause health risks to people, particularly infants, elderly and those with poor immunity, the study said.

A raw meat-based diet has become increasingly popular with dogs in recent years because it is seen as a “healthier natural alternative” to the widely available commercial products.

But unlike commercial feeds, raw meat products are not heat treated or freeze dried to pasteurise, the research team added.

For the study, published in the journal Vet Record, researchers took samples from 60 packs of raw meat samples that were analysed for bacteria, including enterobacteriaceae species — clostridium perfringens, salmonella and campylobacter.

Family walk with dog. Pixabay

Nearly 31 samples (52 per cent) contained bacteria levels that exceeded the 5,000 bacteria per gram maximum threshold set by the European Union regulations, said the study.

Escherichia coli was found in about a third of the samples. Clostridium perfringens, another marker of faecal contamination and hygiene standards, was found in 18 samples (30 per cent).

In addition, salmonella species were found in four (seven per cent) of the 60 samples, while campylobacter species were found in three samples from three different manufacturers.

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Dogs should not be fed raw meat products while being treated with antibiotics as this could increase the risk of antibiotic resistance, the researchers noted.

“Bacteria such as escherichia coli and salmonella can cause significant gastrointestinal disease in animals,” said Daniella Dos Santos, Junior Vice-President at the British Veterinary Association.

“We would advise any pet owner wanting to try a raw meat-based diet to first consult a veterinary surgeon,” Santos said. (IANS)