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Child's weight has little effect on mood, behavioural disorders: Study
Children with obesity are more likely to be diagnosed with depression, anxiety, or attention-deficit hyperactivity disorder (ADHD). But the nature of the relationship between obesity and these mental health conditions is not clear. Obesity might contribute to mental health symptoms, or vice versa.

Gut-brain connection for social behavior: Research
While social behavior is a complex phenomenon involving many parts of the brain, Washbourne's lab previously identified a set of neurons in the zebrafish brain that are required for one particular kind of social interaction.

How serotonin controls behaviour: Study
Serotonin, a neurotransmitter that is generated by many animals and was first identified in the 1930s, regulates a wide range of behaviours including feeding, sleep, mood, and cognition.

Risk of behavioral issues in kids increases due to traumatic brain injury: Study
The risk was the highest in children around ten years old. Researchers found that children who had a significant hit to the head but did not meet diagnostic criteria for a mild TBI also had an increased risk of these behavioural and emotional problems.

Ageing neutralises sex differences in the brain: Study
The study demonstrates that a gene's expression is reduced in older females and increased in old males if the gene's expression is higher in the brains of young females than in young males, and vice versa for genes with higher expression in young males.
