[Insomnia and habits to help to fall asleep among adults].

Introduction: The quality of sleep can be influenced by several factors, insomnia in turn has an effect on the state of health.

Aim: The aim of our survey is to measure the effects of insomnia, furthermore, the sleep affecting agents and habits to help to fall asleep among adults.

Method: We collected the online nationwide and the written datas from the South-Transdanubia region, 455 adults filled the questionnaire which contains the Athens Insomnia Scale.

In-vitro assessment of the behavior of magnetic resonance angiography in the presence of constrictions.

Rationale And Objectives: Time-of-flight magnetic resonance angiography (TOF/MRA) is increasingly used to assess the nature and severity of stenotic blood vessels. Flow artifacts associated with high flows and/or narrow constrictions may confuse the interpretation of these studies. Accurate TOF/MRA evaluations demand an understanding of the nature of these flow effects.