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Gene linked to autism undergoes changes in men’s sperm after pot use

A specific gene associated with autism appears to undergo changes in the sperm of men who use marijuana, according to new research. The gene change occurs through a process called DNA methylation, and it could potentially be passed along to offspring.

People with higher optimism more likely to live ‘exceptionally long lives’

A new study that followed tens of thousands of adults found that those with higher optimism lived longer and were more likely to reach 85 years of age.

How do brain fluctuations drive risk taking behavior?

New research shows how subtle natural fluctuations in resting brain activity most likely impact our inclination toward risk taking behaviors.

Peptide hydrogels could help heal traumatic brain injuries

Traumatic brain injury (TBI) — defined as a bump, blow or jolt to the head that disrupts normal brain function — sent 2.5 million people in the U.S. to the emergency room in 2014. Today, researchers report a self-assembling peptide hydrogel that, whe…

Mindfulness for middle school students

Two new studies suggest that mindfulness — the practice of focusing one’s awareness on the present moment — can enhance academic performance and mental health in middle-schoolers.

Spontaneous brain fluctuations influence risk-taking

Minute-to-minute fluctuations in human brain activity, linked to changing levels of dopamine, impact whether we make risky decisions, finds a new study.

Social, executive brain functions crucial for communication

Impairments in social and executive brain functions hinder effective communication, according to new research in patients with dementia.

Memory loss, dementia an understudied yet widespread phenomenon among Chinese Americans

First of their kind studies reveal the impact of immigration, gender, psychological distress, education, social engagement, and oral health on Chinese Americans’ cognitive function.

Breaching the brain’s defense causes epilepsy

Epileptic seizures can happen to anyone. But how do they occur and what initiates such a rapid response? An international team of scientists has discovered that failure of the so-called glial cells in the brain triggers the epileptic seizures.

Exercise is good for the aging brain

Researchers have found that a single bout of exercise benefits some older people’s brains. In experiments in which participants aged 60 to 80 exercised once and multiple times, the researchers found some individuals showed improved cognitive functions …