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Vitamin D, calcium supplements could reduce falls in women, not men

A daily supplement of vitamin D and calcium cut the rate of falls in elderly women by 50 per cent, but not men, reports a new study.

Cocoa flavonols linked to low blood pressure

Regular eating of flavonol-rich chocolate can cut the risk of death from cardiovascular disease (CVD) by half, reports a long-term study of elderly men.

Weekly Comment

The bad research debate

The dust is settling on the WHI trial. First came the news that low-fat diets didn't reduce the risk of breast or colorectal cancer or cardiovascular disease, then came news...

The supplements - bird flu debate: selenium

Following last week's claims and counter claims that dietary supplements may offer protection from avian flu, Stephen Daniells looks into statements that selenium supplements may offer protection.

Benefits of fresh fish outweigh the risks

The benefits of omega-3, protein, and essential vitamins and minerals from oily fish outweigh the risks of pollutants, say American experts, as British scientists find pollutant levels are falling.

More evidence that grape juice may 'reverse' brain aging

Drinking Concord grape juice appears to reverse the course of neuronal and behavioural aging in rats, an effect that is proposed to be due to the complex mix of polyphenols.

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.

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