introduction: natural process of aging is associated with biological events which alter the structure and function of different parts of the body. larynx also undergoes age-related anatomical and physiological changes during adulthood.. according to anatomical and physiological changes of larynx, acoustic and perceptual characteristics of voice are modified as a result of age-related sequential...

background: myocardial infarction is a fatal symbol of cardiovascular diseases, which usually occurs in people over 45 years. however, the incidence of factors such as obesity, high blood pressure, diabetes and metabolic syndrome has increased the risk of developing early cardiovascular diseases in the middle-aged people. this study was conducted to compare the clinical manifestation of myocard...

Background: The term caustic generally refers to alkaline and the term corrosive generally refers to acidic agents' injury however, in medical literature caustic is frequently a term applied to both substances. Ingested alkali typically damage the esophagus more than stomach or duodenum, whereas acids usually cause more severe gastric injury. Since esophagus has a slightly alkaline pH, its epit...

The purpose of this study was to examine the potential universality of age differences in romantic attachment. Relatively few studies have investigated attachment processes beyond young adulthood and very little is known about age differences in romantic attachment orientations in geographic regions outside North America. We examined attachment anxiety and avoidance among 90,904 Internet respon...