Evidence Database - access research on nutrition and brain health

Evidence database

Access our database of research on nutrition and brain health. We aim to select the most pertinent research and summarise it is an easily understandable way.

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How our Gut Health and Mood are Connected

Mental health conditions are on the rise and the statistics speak for themselves: a record 70 million antidepressant prescriptions were handed out in 2018, and an estimated…

Nutrition for Anxious Children

The COVID-19 pandemic has brought much disruption, fear and anxiety, and this is particularly true amongst children and teens who have been affected by school closures, physical distancing and new…

FDA Decision on Dementia Drug, Aducanumab

Today, the US FDA has licenced aducanumab, an amyloid protein drug developed for dementia treatment. It has already failed in clinical trials, adding to the 300 studies that have failed. In a…

Fish Consumption and Depression (2016)

A sample of 2,034 individuals (age >55) in Singapore were studied to explore the link between fish consumption and depression. The study was conducted as part of the Singapore Longitudinal…

Nutritional Status of Older Adults and Health (2017)

This study looked at the correlation between nutritional status of older adults and health. Correlation was observed between quality of nutritional status and depressive symptoms. Elderly individuals who perceived…

B vitamins and prevention of cognitive decline (2021)

The study investigated B Vitamins and prevention of cognitive decline. Elevation of homocysteine (Hcy) levels is well-established as a risk factor for Alzheimer’s and other types of dementia, yet controversy…

Iron deficiency and schizophrenia (2018)

This paper investigated iron deficiency and schizophrenia. Previous research finding that iron deficiency may alter dopaminergic transmission, this study was conducted to identify whether low blood iron levels could be…

Omega 3 and schizophrenia (2016)

This study investigated omega 3 and schizophrenia. Specifically, the study explored the effect of omega-3 supplementation in symptom severity in schizophrenic patients over a long period of time, as previous…

Antipsychotics, Omega 3 and Schizophrenia (2021)

This study explored antipsychotics, omega 3 and schizophrenia. The review compiled previous studies surrounding treatment of schizophrenia using omega-3 and looked at what pathways in the brain are impacted by…

Omega 3 concentrations and well-being (2007)

This study investigated omega 3 concentrations and well being. Researchers in New Zealand investigated if a relationship existed between the composition of fats in the blood and the mental and…

Omega 3 and anxiety (2011)

This study investigated omega 3 and anxiety. The study set out to determine if omega-3 fish oil supplementation could improve both anxiety levels and inflammation in a group of 68…

Micronutrients and Childhood Psychosis (2012)

 This study investigated micronutrients in childhood psychosis. Childhood psychosis is difficult to address effectively with conventional pharmaceuticals, many of which have adverse long-term health consequences. In contrast, there are promising…

Healthy food boosts school performance (2007)

Research has demonstrated that healthy food boosts school performance. The Nutrition and Health survey in Taiwan Elementary School Children, 2001-2002, analysed the diets and school performance of 2,222 primary school…

Poor diet & mental health in teens (2011)

Research has investigated poor diet & mental health in teens. Three quarters of lifetime psychiatric disorders emerge in the teenage years or in early adulthood. In an Australian study involving…

Diabetes & Schizophrenia (2008)

Research has investigated the link between diabetes & schizophrenia.  This study looked at 99 patients with schizophrenia.  Their 2 h post prandial plasma glucose was tested prior to medication and…

Fish oil & psychosis (2008)

The study investigated fish oil & psychosis. Individuals at extremely high risk of developing psychosis appear less likely to develop psychotic disorders following a 12-week course of fish oil capsules…

Low Essential Fats & Schizophrenia (2008)

In a study of people with schizophrenia, measures were made of levels of essential fats in red blood cells. Essential fats were found to be lower in this sample, than…

Seafood in pregnancy (2007)

This study investigated seafood in pregnancy. For a number of years pregnant women or those planning pregnancy have been warned by numerous government agencies and medical associations to keep seafood…

Food additives, hyperactivity & children (2007)

Research has investigated food additives, hyperactivity and children. Lead researcher Professor Jim Stevenson says this study on food additives and hyperactive behaviour in children, carried out at Southampton University, shows…

Nutrition in infancy & earning power (2008)

Research has suggested nutrition in infancy may be linked to adult earning power.  The findings, published in The Lancet, were based on a three-decade study of Guatemalan males from birth...

Homocysteine & Schizophrenia (2007)

This study investigated homocysteine and schizophrenia. Elevated plasma levels of the amino acid homocysteine have been associated with schizophrenia, particularly in young male patients. Among other factors, low folic acid…

Sleep Deprivation & Adolescence (2010)

This study investigated sleep deprivation & adolescence. Later parent-set bedtimes and correspondingly shorter sleep duration appears to be related to the development of depression in adolescence, a cross-sectional analysis showed.

Tryptophan & Emotional Processing (2006)

This study assessed  tryptophan & emotional processing. It explored whether tryptophan (TRP) induces cognitive changes opposite to the negative biases found in depression and characteristic of those induced by serotonergic…

School Children & Healthy Diets (2008)

This study investigated school children & healthy diets. A Canadian survey of 5,000 11 year olds and their families found that children who ate more fruits and vegetables and fewer…

Vitamin D & Parkinson’s (2011)

This study investigated Vitamin D & Parkinson's. Early, untreated Parkinson’s disease is linked to a deficiency in vitamin D, more so than in those without the disease.

Vitamin D & Depression (2008)

This research explored vitamin D & depression. Dutch researchers compared vitamin D levels with mood in a study of 1,282 elderly people and found that vitamin D levels were 14%…

Omega 3 & Brain Ageing (2007)

This study investigated omega 3 and brain ageing. An Italian study measured the blood levels of essential fats in 935 elderly Italians and compared these with their cognitive function...