Lifestyle Effects on Memory & Cognition

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The ‘safe’ levels of manganese in water may need to be revisited after a study finds school-age children with high levels of manganese in their tap water have significantly lower IQs.

Manganese exposure in the workplace is known to have neurotoxic effects, but manganese occurs naturally in soil and sometimes in groundwater. One region where the groundwater contains naturally high levels of manganese is Quebec.

Current strains of cannabis may put users at greater risk of cognitive impairment.

A study involving 134 cannabis users aged 16-23 has found that when they were smoking cannabis containing a low percentage of cannabidiol they performed much worse on the memory tests.

A new study adds to the evidence that berries and other foods rich in polyphenols help your brain fight age-related cognitive decline.

A number of studies have found evidence that fruits and vegetables help fight age-related cognitive decline, and this has been thought to be due to their antioxidant and anti-inflammatory effects.

Many studies have now shown that walking helps older brains fight cognitive decline, but a new study shows that this is also associated with improved connectivity in important brain networks.

A study involving 65 older adults (59-80), who were very sedentary before the study (reporting less than two episodes of physical activity lasting 30 minutes or more in the previous six months), has found that those who joined a walking group improved their cognitive performance and the connecti

The association between obesity and reduced cognitive function appears to only occur, in older women at least, in those whose excess weight is carried on their hips, not their waist.

A very large study of older women has found that although there was a small downward trend in cognitive function (as measured by the MMSE) with increasing obesity, this trend was almost entirely driven by those with a waist-hip ratio below 0.78 — that is, for women who carry excess weight around

Two small studies provide the first human evidence that blueberries and Concord grape juice can improve verbal memory in those with mild cognitive impairment.

A number of rodent studies have shown that blueberries can improve aging memory; now for the first time, a human study provides evidence.

A small study has found that regular use ecstasy or cocaine is associated with impaired prospective memory (remembering things you plan to do).

A study involving 42 students who were ecstasy/polydrug users has found that ecstasy, or the regular use of several drugs, affects users'

Seniors who were most closely following a Mediterranean-like diet were 36% less likely to have brain infarcts than those least following the diet.

Following on from studies showing that a Mediterranean-like diet may be associated with a lower risk of Alzheimer's disease and may lengthen survival in people with Alzheimer's, a six-year study of 712 New Yorkers has revealed that those who were most closely following a Mediterranean-like diet

The damage lead exposure does to brains, especially young ones, is well-established, but new research tells us how it works.

We know that lead damages the brain, and that it does so by somehow affecting the release of neurotransmitters at synapses (the process by which neurons pass messages on). Now a new study explains exactly what lead does.

Patients with obstructive sleep apnea treated with CPAP therapy not only outperformed untreated OSA patients on a memory task, but they outperformed those without OSA.

A study involving 135 adults (33-65) has found that, not only did patients with obstructive sleep apnea who were being treated with CPAP therapy outperform untreated OSA patients on an overnight picture memory task, but they outperformed controls who did not have OSA.

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