Even mild dehydration can alter a person's mood, energy level, and ability to think clearly, leaving them 'cranky' and tired, say researchers.
Children are still exposed to the same level of junk food advertising despite tighter regulations, research suggests.
Sugar is as damaging and addictive as alcohol or tobacco and should be regulated, claim US health experts.
Does eating fish during pregnancy improve a child's intelligence? According to a recent study published in the American Journal of Clinical Nutrition the answer is yes.
Research from Queen Mary, University of London suggests that omega-3 fatty acids, which are found in fish oil, have the potential to protect nerves from injury and help them to regenerate.
Fast foods, sodas, and ice cream may be American kids' favorite menu items, but they're also probably the worst for those with attention deficit-hyperactivity disorder (ADHD), a new literature review suggests.
A diet rich in vitamins and fish may protect the brain from ageing while junk food has the opposite effect, research suggests.
The TV chef Jamie Oliver has accused the Education Secretary Michael Gove of eroding healthy school food standards.
Unhealthy snacks could be returning to schools in England, caterers are warning.
The statement that 'fish is good for the brain' is increasingly backed-up by scientific evidence but what the actual outcomes are in terms of mental performance or 'brain power' is still being discovered.
Both the headline of this article and the reported comments from the researchers suggest a causal link between zinc deficiency and autism, despite the fact that the data collected for this study could - at best - only show an association between the two.
Fish really is 'brainfood' and eating it can make you smarter, researchers say.
Sheila Dillon asks if the calorie is an outdated way of controlling diet and reducing obesity.
Parents are failing to put enough fruit and veg into their children's packed lunches, health experts have warned.
It might taste good, but sugar is addictive and fuelling the obesity epidemic, says Robert Lustig