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Researchers did the largest analysis ever on how similar spouses and partners are for different traits. They found that partners tend to be positively correlated, meaning they are more alike than random pairs of people. However, how much partners resemble each…
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A new study looked at how having diabetes may impact brain health in Native Americans. The researchers found that the longer someone had diabetes, the more it affected their brain. But other health issues like obesity did not appear to impact the brain as much…
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A new study investigates how certain “dark triad” personality traits relate to people’s happiness and life satisfaction. Key Findings: Narcissism has multiple dimensions – some linked to higher well-being, others to lower. Psychopathy overall relates to lower…
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Researchers have found that more intelligent narcissists are less likely to exhibit rivalry and aggression. This suggests higher intelligence may help mitigate some of the negative interpersonal behaviors associated with narcissism. Key Facts: Narcissism has t…
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Researchers have uncovered an important new mechanism that causes inflammation and damage to the brain’s white matter in Alzheimer’s disease. This discovery about how brain cells called microglia die could lead to new Alzheimer’s treatments. Key Facts: The stu…
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A new large genetics study has discovered new clues into how levels of a protein called apolipoprotein E (ApoE) in the blood may influence a person’s risk of developing Alzheimer’s disease. Key facts: Researchers found 9 new genetic variants that influence Apo…
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Prescription opioid painkillers like oxycodone can be very addictive. People who use them for a long time often have trouble stopping, even if the drugs start causing problems. A new study tested a drug that blocks brain signals that keep people wanting opioid…
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Researchers explored the relationship between body weight and depression symptoms in teens and adults. They found a link between higher body weight and increased depression, especially among teens. Genetic factors appear to play only a small role. Key Facts: T…
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Schizophrenia is a mental disorder that affects how people think, feel, and behave. It involves problems with hallucinations, delusions, disorganized thinking, lack of motivation, and impaired functioning. Schizophrenia affects about 1% of the population and t…
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The enteric nervous system (ENS), often called the “second brain”, controls most activities in our gastrointestinal tract. A new study reveals important new information about how this brain-in-the-gut develops and changes as we age. Key Facts: The ENS contains…
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