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Vitamin C helps smokers maintain vitamin E levels

A daily supplement of vitamin C can help preserve vitamin E levels in smokers, a group at risk of low vitamin E levels due to higher oxidative stress, by 45...

Green tea may reduce, but black tea may increase breast cancer risk

Drinking five cups of green tea a day can reduce the risk of breast cancer by 22 per cent, claims a meta-analysis of previous studies, the same studies that the...

Micronutrient cocktail may protect against shingles

A cocktail of seven micronutrients, or a diet rich in fruit and vegetables, can boost the immune system and prevent shingles, claims a new study.

Dietary fibre and colorectal cancer - where do we stand?

Men who have diets high in fibre are 29 per cent more likely to be protected from colorectal cancer than women, a result that may explain the disagreement between other...

More evidence for diabetes and CVD protection by whole grains.

Eating a diet rich in whole grains, a rich source of bran, fibre, minerals and vitamins, could reduce the risk of type-2 diabetes and heart disease, claims a new study...

HortResearch breeds blackcurrants for health

Blackcurrants have already earned a reputation amongst the healthiest fruits thanks to a high antioxidant content. But in New Zealand, where five per cent for the world's crop is grown,...

'Little evidence' for lycopene and diabetes link

Eating tomatoes and tomato-based food, rich sources of potent antioxidants, does not protect against the risk of type-2 diabetes, claims a study.

More support for soy supplements could prevent early bone loss

A daily supplement of soy isoflavones reduced bone loss in early post-menopausal women, but the effect is not dependent on the dose, researchers report.

Grapefruit flavonoid may repair DNA, protect against cancer

Naringenin, a flavonoid found in grapefruit and oranges, helped to repair damaged DNA in cancer cells, reports a lab study.

Vitamin D, calcium and colorectal cancer

Daily supplements of vitamin D and calcium 'had no effect' on the risk of colorectal cancer, according to a large-scale study from the US. But an independent cancer expert says...

Calcium, vitamin D supplements are good for bones - if you take them

Consumer confusion over vitamin D and calcium seems likely to grow, following claims from the Women's Health Initiative (WHI) trial about their effect on bone health that oppose other studies.

Vitamin E, beta-carotene may protect smokers from prostate cancer

Daily supplements of vitamin E and beta-carotene may reduce the risk of prostate cancer in smokers, but not non-smokers, reports a new study, adding more contradictory results to an already...

Long term low-carb diet leads to cholesterol rises

A low-carbohydrate diet results in more weight loss after six months than a low-fat diet, but long term could raise bad cholesterol and increase the risk of heart disease, claims...

Supplements better than fortification for folic acid?

Pregnant women who do not take folic acid-containing supplements are eight times more likely to have low serum folate values, despite eating folate-fortified foods, claims a new study.

Weekly Comment

The cost of bad research

The science has spoken. Low-fat diets don't work: Forget the carrots and broccoli sprouts, I can now have my cake and eat it, and put extra cream on top.

Study boosts Kaneka Q10 safety rep

A new trial using Kaneka Q10 (CoQ10) has indicated that it is safe at doses as high as 900mg per day - an important finding, according to the company, given...

More support for soy's protection against prostate cancer

A diet rich in soy, sunflower seeds, berries and peanuts can reduce the risk of prostate cancer by 26 per cent, claims new research from Sweden.

Red grapefruit could lower heart disease risk

Eating a red grapefruit a day could reduce cholesterol by 15 per cent and triglycerides by 17 per cent and protect against heart disease, according to research from Israel.

Why we like fatty food

A study attempting to find out exactly why we prefer fatty foods could help manufacturers to design tasty, low-fat foods that are less likely to make people overweight.

Cocoa reduces risk of cancer and cardiovascular disease, says study

Unprocessed cocoa reduces the risks of cancer and cardiovascular disease, according to a study by Harvard Medical School and Mars.

Saw palmetto 'does not improve' prostate problem

Contrary to earlier reports, saw palmetto, the extract from the berries of a dwarf palm tree, has no effect on non-cancerous prostate swellings, claims that have been called "puzzling" by...

Low fat diet: breast cancer link 'due to chance'

Five servings of fruit and vegetables per day and a diet low in fat reduced the risk of breast cancer by nine per cent, a figure dismissed as not significant...

Vitamin D may inhibit prostate cancer growth - mechanism reported

Vitamin D can slow down the spread of prostate cancer by limiting the activity of certain enzymes, US and Taiwanese researchers report.

Low fat diet 'has no effect on heart risk'

Eating less fat and more fruit and vegetables has no effect on the risk of cardiovascular disease (CVD), claims a long-term dietary intervention study claimed to be the largest ever...

Fortified food may aid Malaysian folate deficiency

The majority of Malaysian women lack folate in their diets, raising their risk of having children with birth defects, says an independent study sponsored by dairy group Fonterra.

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