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Gut health may be key to allergy prevention

Changes in gut microflora caused by widespread use of antibiotics and today's high-fat, low-fibre diet could be responsible for a major increase in allergies in recent years, say researchers.

Further evidence for homocysteine, stroke link

People genetically prone to high concentrations of homocysteine have a higher risk of stroke than other individuals, according to a new study that supports the theory of a causal relationship...

Do the new Dietary Guidelines need supplements?

The new Dietary Guidelines for Americans were unveiled yesterday. Jess Halliday reports on the role supplements have to play and the guidelines' wider implications.

Fruit, veg found to have no impact on breast cancer risk

Consuming fruit and vegetables has no effect on reducing breast cancer risk, according to a large study that looks set to override previous evidence showing potential protective effects.

Sleep deprivation becomes new factor in obesity debate

Lack of sleep is increasingly being linked to the epidemic of obesity in many developed nations, with new research showing that obese people sleep less than their normal weight peers.

Conference to address supplements' effects on blood-thinners

The National Heart, Lung, and Blood Institute (NHLBI) is convening a conference this week to assess the dangers of combining dietary supplements with prescription blood-thinning medications - and which may...

Oleic acid kills breast cancer cells in lab study

Oleic acid, the chief fatty acid in olive oil, has been shown to dramatically cut the levels of a gene involved in the development of breast cancer.

Calcium supplements offer long-term benefits

Teenage girls that take calcium supplements for a short time may see a long-term benefit to bone health, suggest Israeli researchers.

Negative effects of overweight in children not obvious to parents

Health-related quality of life, or functioning, begins to decline as soon as a child is above average weight, say researchers, but the effects may not be obvious to parents.

CDC launches folic acid program

With more than half of US women of childbearing age still not taking a folic acid supplement despite the evidence suggesting its importance in avoiding birth defects, the CDC Foundation...

New findings on vitamin A's role in cancer prevention

Problems with the way the body processes vitamin A may contribute to the development of breast cancer, show preliminary findings on the vitamin pathway.

Zinc treatment cuts mouth cancer risk in rats

The mineral zinc may help prevent oesophageal and oral cancers in people at high risk, suggests research on rats.

New evidence supports camomile tea's health benefits

The popular herbal tea camomile may help relieve a wide range of health ailments, including colds and menstrual cramps, UK researchers will report.

Fast food link to obesity confirmed

Young adults who eat frequently at fast-food restaurants gain more weight and have a greater increase in insulin resistance in early middle age, according to a large multi-center study published...

Little scientific support for weight loss programs

There is little evidence to support the use of many commercial weight loss programs, according to a study in the US, which suggests that the search for new, more effective...

Butterbur cuts frequency of migraines

The ancient herbal butterbur offers considerable help in preventing migraine headaches, according to an international research team.

Vitamin D supplements to protect against MS

Pregnant women should take vitamin D supplements to protect their offspring from multiple sclerosis, a UK-based expert has urged.

Soy formula may inhibit intestinal development in babies

The soy isoflavone genistein may inhibit intestinal cell growth in babies, say US researchers, who have carried out tests on newborn piglets.

Essential oils combat MRSA bacteria

Essential oils usually used in aromatherapy have been found to kill the deadly MRSA bacteria causing increasing numbers of deaths in hospitals round the world.

American living makes you fat

Being in America makes you fat, according to a study published recently in the Journal of the American Medical Association.

Anthocyanins may help fight diabetes

Fruit compounds called anthocyanins could help lower blood sugar levels in people with diabetes, suggest preliminary tests on animals.

Fish oil supplements slow ageing of brain

People who eat oily fish or take fish oil supplements score 13 per cent higher in IQ tests and are less likely to show early signs of Alzheimer's disease, according...

Bush signs bill urging more chromium picolinate research

Nutrition 21 announced last week that a bill signed into law by President George Bush recognizes the health benefits of chromium picolinate towards diabetes and urges further research into its capabilities.

Exercise boosts benefits of plant sterol products

Consuming products with plant sterols as well as exercising may offer additional benefits for those at risk of coronary heart disease, say Canadian researchers.

Iron supplements may help ADHD children

Iron supplements may be useful for children with attention-deficit hyperactivity disorder (ADHD), say researchers that have found a small group of these children to be deficient in the mineral.

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