For most people, narcissism wanes as they age. A new study reports the magnitude of the decline of narcissistic traits is tied to specific career and personal relationship choices. However, this is not true for everyone. Some people remained just as narcissistic at the age of 41 as they were during their late teens. 3% of subjects showed increased narcissistic traits between the ages of 18 and 41.
Those who are more optimistic report better sleep quality and duration, a new study reports.
In anemonefish, male-to-female sex changes occur first in the brain and later involves gonadal changes. The physical sex alterations can occur months or even years after the brain changes occur.
Hippocampal neurogenesis continues to occur well into old age, and in those with Alzheimer's disease. Researchers found evidence of neurogenesis in people up to the age of 99. While neurogenesis continues to occur in those with Alzheimer's disease, it is significantly reduced compared to those who have normal cognitive function.
A new study reveals peripheral nerve damage may trigger the onset and spread of ALS in mouse models of the neurodegenerative disease.
A new study reports teenage binge drinking can result in lasting epigenetic changes that alter the expression of BDNF-AS, a protein vital for the formation of neural connection in the amygdala.
Adding a lysophospholipid form of EPA, LPC-EPA, to the diet increased omega 3 fatty acid levels up to 100 fold in the brains of mice, researchers report. The amount required for the boost in Omega 3 levels is less than a milligram a day. In humans, researchers report, the equivalent is less than a quarter of a gram of LPC-EPA per day to have the same effect.
Investigating 32 key nutrients in the Mediterranean diet, researcher report aging individuals with more abundant key nutrients in their blood had better functional connectivity and improved cognitive performance than those lacking the nutrients.
A new study reports boys with social skill problems during sixth grade are more likely to develop substance use issues by grade eight.
According to a new study, those with epilepsy who live in high crime neighborhoods have three times as many seizures as those living in lower crime areas.
Researchers report adolescent cannabis use alters the structural development of the prefrontal cortex, an area of the brain that helps control higher cognitive functions.
Researchers have identified a new target of alcohol in the brain. A new study reveals alcohol blocks the KCNK13 potassium channel within the membrane of dopamine releasing neurons in the ventral tegmental area.