In Japan, MAP smokers have different life backgrounds from injectors. Smoking MAP does not appear to be a safer route as regards losing control of MAP use and inducing psychosis than injection.

We concluded that a partial dental prosthesis significantly stimulates both masticatory muscle and dorsal prefrontal cortex activities, which might contribute to the prevention of cognitive impairment in aged individuals.

The present study found that a lifetime history of suicidal ideation may be significantly associated with a history of searching the Internet for information about suicide or self-injury, experiences of anxiety or emotional pain related to the use of electronic media, and adolescents' distrust of the people around them. The impact of experiences using electronic media on suicidal ideation among Japanese adolescents is discussed.

No abstract