Posts Tagged ‘Vitamin C Supplements’

Diet high in fish and nuts could cut pancreatic cancer risk

Eating a diet rich in fish, nuts and vegetables could reduce the risk of pancreatic cancer by up to two thirds new research finds.Diet high in fish and nuts could cut pancreatic cancer riskResearchers from the University of East Anglia found that people who ate large amounts of vitamins C and E and the mineral Selenium were 67 per cent less likely to develop the condition than people who consumed lower quantities.

If further studies prove that the antioxidants were causing the added protection, the finding could prevent one in 12 cases of pancreatic cancer, the researchers suggested.

The disease is diagnosed in 7,500 people each year and has the worst prognosis of any cancer, with only three per cent of patients surviving for more than five years after diagnosis.

The study, published in the Gut journal- the International Journal of Gastroenterology & Hepatology, used data on almost 24,000 men and women aged 40 to 74, taking into account all the food they ate during a week and how it was prepared.

Results showed that the 25 per cent of people who took in the most selenium – a mineral found in nuts, fish and cereals, had half the risk of developing pancreatic cancer compared with those whose intake was in the bottom 25 per cent.

Those who were in the top quartile for consumption of vitamins C, E and selenium together were at 67 per cent lower risk of the disease compared to the bottom quartile.

However, in the cases of vitamins C and E, the people consuming the highest amounts were taking in as much as 16 times the recommended daily allowance stipulated by the NHS.

Vitamin C is found in fruit and vegetables, while vitamin E is in vegetable oils, nuts, seeds, margarines and egg yolk.

The authors wrote: “If a causal association is confirmed by reporting consistent findings from other epidemiological studies, then population based dietary recommendations may help to prevent pancreatic cancer.”

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Alzheimer’s- diet can stop brain shrinking

A diet rich in vitamins and fish may protect the brain from Alzheimers and ageing while junk food has the opposite effect new research suggests.Alzheimer's- diet can stop brain shrinkingElderly people with high blood levels of vitamins and omega 3 fatty acids had less brain shrinkage and better mental performance, a Neurology study found.

Trans fats found in fast foods were linked to lower scores in tests and more shrinkage typical of Alzheimer’s. They are common in processed foods, including cakes, biscuits and fried foods.

The best current advice is to eat a balanced diet with plenty of fruit and vegetables, not smoke, take regular exercise and keep blood pressure and cholesterol in check, said Alzheimer’s Research UK.

The research looked at nutrients in blood, rather than relying on questionnaires to assess a person’s diet.  US experts analysed blood samples from 104 healthy people with an average age of 87 who had few known risk factors for Alzheimer’s.

They found those who had more vitamin B, C, D and E in their blood performed better in tests of memory and thinking skills. People with high levels of omega 3 fatty acids – found mainly in fish – also had high scores. The poorest scores were found in people who had more trans fats in their blood.

The researchers, from Oregon Health and Science University, Portland; Portland VA Medical Center; and Oregon State University, Corvallis, then carried out brain scans on 42 of the participants.

They found individuals with high levels of vitamins and omega 3 in their blood were more likely to have a large brain volume; while those with high levels of trans fat had a smaller total brain volume.

Study author Gene Bowman of Oregon Health and Science University said: “These results need to be confirmed, but obviously it is very exciting to think that people could potentially stop their brains from shrinking and keep them sharp by adjusting their diet.”

Co-author Maret Traber of the Linus Pauling Institute at Oregon State University said: “The vitamins and nutrients you get from eating a wide range of fruits, vegetables and fish can be measured in blood biomarkers.

Commenting on the study, Dr Simon Ridley, head of research at Alzheimer’s Research UK, said:  “One strength of this research is that it looked at nutrients in people’s blood, rather than relying on answers to a questionnaire.”

“It’s important to note that this study looked at a small group of people with few risk factors for Alzheimer’s disease, and did not investigate whether they went on to develop Alzheimer’s at a later stage.”

“There is a clear need for conclusive evidence about the effect of diet on our risk of Alzheimer’s, which can only come from large-scale, long-term studies.”

From: http://www.bbc.co.uk/news/health-16344228

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