Kids with ADHD are at increased risk for emotional problems, and researchers now say they may know one reason for this.
But the explanation for the link between climate and brain function in those with MS remains a mystery, experts say.
People with metabolic syndrome were 20 percent more likely to experience a decline in their short-term memory over the study period.
People with higher levels of omega-3s had larger brains, and did better on tests of memory and problem-solving skills, than people with lower levels.
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