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The consumption of energy drinks and alcohol mixed with energy drinks increases the odds of traumatic brain injury among adolescents

Energy Drinks Plus Alcohol Tied to Brain Injury in Teens

Sports-related incidents remain the most common cause of recent traumatic brain injury
Radiation and chemotherapy can cause structural changes in the healthy brain tissue of patients with glioblastoma brain tumors

Chemoradiation for Glioblastoma Takes Toll on Brain

Structural changes include reduced gray matter volume and ventricular enlargement
Adiposity is associated with an increased risk of meningioma but not glioma

Meta-Analysis Links Adiposity to Increased Risk of Meningioma

High versus low levels of physical activity linked to reduction in risk of meningioma
Leptin appears to inhibit running reward via signal transducer and activator of transcription-3

Leptin Suppresses the Rewarding Effects of Running

Leptin inhibits 'runners high' via STAT3 signaling in dopamine neurons in mouse model

August 2015 Briefing – Neurology

Here are what the editors at HealthDay consider to be the most important developments in Neurology for August 2015. This roundup includes the latest...
Patients with posttraumatic stress disorder exhibit alterations in the topological architecture of the brain

Alterations in Topological Architecture of Brain in PTSD

Decreased path length and increased clustering coefficient, global efficiency, and local efficiency
The potential effect of cannabis on brain structure remains a subject of intense scientific scrutiny

Mixed Results for Cannabis Effect on Developing Brain

One of two new studies suggests cannabis use in teen years might be more harmful for males
Neither exercise nor supplements such as omega-3 fatty acids seem to preserve cognitive function in the elderly

Exercise, Supplements Don’t Help Preserve Cognition in Elderly

Two trials cast doubt on these widely touted strategies
Evening and morning cortisol levels in older people may be differentially associated with tissue volume in gray and white matter structures and cognitive function

AM, PM Cortisol Tied to Brain, Cognitive Variances in Later Life

Higher evening salivary cortisol levels tied to lower brain volume, worse cognitive function
Early life adversity correlates with higher levels of internalizing symptoms and with altered brain structure

Early Life Adversity Linked to Brain Changes in Adolescent Boys

Early life adversity linked to variation in brain structure directly and via internalizing symptoms