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‘Casual marijuana use changes the brain,’ researchers say

A study comparing the brains of marijuana smokers with non-users reveals even low intake of the drug can result in changes to brain areas involved in emotion and reward processing.

Anger at your spouse could be related to blood sugar

Lower levels of blood sugar may make married people angrier at their spouses and even more likely to lash out aggressively, new research reveals.

Modified stem cells offer potential pathway to treat Alzheimer’s disease

Genetically modified neural stem cells show positive results when transplanted into the brains of mice with the symptoms and pathology of Alzheimer’s disease, neurobiologists have found. The pre-clinical trial approach has been shown to work in two dif…

Functional brain imaging reliably predicts which vegetative patients have potential to recover consciousness

A functional brain imaging technique known as positron emission tomography is a promising tool for determining which severely brain damaged individuals in vegetative states have the potential to recover consciousness, according to new research.

Lawmakers say e-cigarette marketing targets kids

A Congressional report sounds the alarm on marketing of electronic cigarettes, especially efforts made by companies to sell their products to young people.

New fathers may need help with depression

Becoming a father may raise a young man’s risk of depression, according to a new U.S. study that suggests helping men at this stage could improve the wellbeing of entire families.

Casual marijuana use linked with brain abnormalities

Researchers found that young adults who used cannabis just once or twice a week showed significant abnormalities in two important brain structures.

Brain anatomy differences between deaf, hearing depend on first language learned

In the first known study of its kind, researchers have shown that the language we learn as children affects brain structure, as does hearing status. ‘What we’ve learned to date about differences in brain anatomy in hearing and deaf populations hasn’t t…

Teenagers who have had a concussion also have higher rates of suicide attempts

Teenagers who have suffered a traumatic brain injury such as a concussion are at ‘significantly greater odds’ of attempting suicide, being bullied and engaging in a variety of high-risk behaviors, a new study has found. They are also more likely to bec…

Brain changes associated with casual marijuana use in young adults, study finds

The size and shape of two brain regions involved in emotion and motivation may differ in young adults who smoke marijuana at least once a week, according to a new study. The findings suggest that recreational marijuana use may lead to previously uniden…