While alcohol usage was the most frequent causative factor.

Factors resulting in liver disease had not been completely studied in Southern Italy, so researchers, led by Gaspare Maria Pendino of Reggio Calabria, assessed the etiology and prevalence of modified liver tests in the general population of Cittanova, a small southern Italian town. They generated a random sample of residents 12 years or screened and older 1645 individuals for abnormal liver values, antigens to hepatitis B and alcohol and C consumption. From each individual, in addition they gathered socioeconomic data, health background and body mass index.

‘Knowing the role of brain swelling in behavioral deficits and neurodegenerative diseases, we felt this could be important, specifically because immunity is definitely suppressed in the elderly, making them more vunerable to infections.’ Johnson and his colleagues compared behavior in youthful adult and aged mice which were produced temporarily ill by exposure to lipopolysaccharide , a molecule present on E. Coli and other gram-negative bacterias that highly activates the immune system. ‘When a person or family pet develops an infection, their behavior changes: They stop eating; they become lethargic; they possess reduced cognitive capabilities,’ Johnson said.‘Knowing the role of brain swelling in behavioral deficits and neurodegenerative diseases, we felt this could be important, specifically because immunity is definitely suppressed in the elderly, making them more vunerable to infections.’ Johnson and his colleagues compared behavior in youthful adult and aged mice which were produced temporarily ill by exposure to lipopolysaccharide , a molecule present on E. Coli and other gram-negative bacterias that highly activates the immune system. ‘When a person or family pet develops an infection, their behavior changes: They stop eating; they become lethargic; they possess reduced cognitive capabilities,’ Johnson said.