Friday, January 25, 2019

Physical activity and cognivive functions

Physical activity and an active lifestyle have always been associated with a higher level of a person’s cognition. According to the latest researches, older adults are not an exception, despite the presence of brain lesions attached to dementia. In other words, cognition functions independently of brain pathologies that one may have and improves its performance when the physical activity takes place. Precisely aerobics influences the level growth of brain-derived neurotrophic factor (BDNF) and hippocampal volume, which consequently helps slow cognition decline.

Friday, January 18, 2019

Is there a connection between Herpes Viruses and Alzheimer’s Disease?

Research has shown that two herpes viruses perform in Alzheimer’s disease, but do they really influence the course of Alzheimer’s? According to the examination of brain tissues of a healthy person and one that died from Alzheimer’s, strong evidence was built that demonstrates the cooperation of herpes virus genes and Alzheimer’s risk genes. Thus, the presence of HHV-6 and HHV- 7 (herpes viruses) were two times higher than in the healthy brain tissues, anyways, only their presence is not enough to bring Alzheimer’s disease.