[The influence of physical exercise in the prevention of cognitive deterioration in the elderly: a systematic review].

Introduction: In Spain, the number of elderly people is increasing, reason why the improvement in the attention given to the older adults has become a significant objective and requirement of health care systems. The physical activity is being recognized as a highly protective factor of the cognitive functions in aging, becoming a promising psycho-social strategy for the protection of the cognition in elderly population.

Patients And Methods: PubMed, PsycINFO, Psicodoc, Scopus y SciELO sources were searched.

Clinical utility of the hopkins Verbal Test-Revised for detecting Alzheimer's disease and mild cognitive impairment in Spanish population.

The decline of verbal memory and learning is one of the main symptoms of Alzheimer's disease (AD) and Mild Cognitive Impairment (MCI). The aim of this study was to examine the effectiveness of the Hopkins Verbal Test-Revised (HVLT-R) to discriminate subjects with AD, amnestic MCI (aMCI), and a healthy control group in a Spanish population. Two hundred ninety-eight subjects were assessed with the HVLT-R and the Spanish version of the Mini-Mental State Examination (MEC 35).

Chronic sildenafil (Viagra) administration reduces anxiety in intact and castrated male rats.

Epidemiological research indicates that sildenafil (Viagra) abuse is associated with increased risk behaviors. The present study employs the open field, a standard animal model used in the field of anxiety research, to examine whether chronic exposure to sildenafil affects anxiety and risk-taking behaviors in gonadally intact and castrated male Wistar rats. Sildenafil (10 mg/kg) or saline were administered three times a week for three weeks.