Cognitive functioning

We all know the many health effects that a diet high in saturated fat and refined sugar has on our bodies. Now, in the first study of its kind on humans, scientists find that it may also be negatively impacting our ability to navigate and learn.

What does gut fermentation and neuroinflammation have in common? A lot, according to new research that uncovers how the post-stroke microbiome directly influences brain health and recovery. It opens the door to new ways of restoring cognitive function.

More than a million people of nearly all ages lace up their trainers and hit the pavement in a marathon every year. And while running has a suite of health benefits, a long-distance race may not be such good news for the brain in the weeks that follow.

A long-term trial has found that a discontinued drug halved the onset of a genetic form Alzheimer's, from all but 100% to 50%. Buoyed by the results, scientists are now trialing anti-amyloid medication as a preventative for all types of the disease.

People who sit on the low or high side of normal vitamin B12 levels are still at risk of cognitive impairment, a new study found. It's suggested we rethink the ‘healthy’ range for the vitamin that plays a key role in brain and nerve health.

How you cope in a crisis and then move on from it may have less to do with your learned life skills and instead be shaped by your base personality. A new study has found the key traits that make some people experts in 'turning lemons into lemonade.'

In the first study of its kind, scientists have used extensive data to identify that adults with ADHD have a significantly lower life expectancy than their neurotypical peers. This unprecedented research should serve as a serious wake-up call.

The largest study into the effects of cannabis on young adults' brains has found that the drug can reduce brain function during cognitive tests. The findings will help people make an informed decision about the pros and cons of using cannabis.

A stage of sleep – reflected in the size of our pupils – is important to committing recent memories to the brain, which could be manipulated to improve cognitive function and even identify issues with being able to recall newer experiences when awake.

Declining brain function is a natural part of the aging process, but that doesn’t mean it can’t be delayed. A new study found that physical activity can boost brain function for up to 24 hours and, independent of exercise, so can a good night’s sleep.

Injecting a natural hormone directly into the gut reduces the cognitive impairment that accompanies a stroke in the long term, according to a new study. The findings provide further evidence that a healthy gut means a healthy brain.