Heather Johnson

All articles by Heather Johnson

news

Based on the theory that relaxing the facial muscles used to express negative emotions reduces the intensity of those emotions, the researchers explored the connection between BoNT injections and anxiety.

news

A study from the 1990s showed adverse childhood experiences contributed to illicit drug and alcohol use. A more recent study showed adults between age 18 and 25 had the highest rate of opioid misuse compared with teens and adults aged 26 and older. The researchers in the current study wanted to explore the connection between “early life risk exposures” and opioid use among university students.

news

Determining if a patient with subtle cognitive symptoms suffers from prodromal or preclinical Alzheimer disease (AD) and whether that patient will progress to AD dementia is a challenge. However, this determination is critically important in order to ascertain a correct and early diagnosis of AD. Researchers may have found one method that can help.

news

While sleep dysregulation is a feature of dementia, it remains unclear whether the duration of sleep prior to old age is associated with dementia. The researchers examined the association between sleep duration and incidence of dementia using a 25-year follow-up.