Our brain doesn’t have enough place to store energy. When it needs supply of energy for its increased activity, the brain gives a sign to blood vessels for extra blood and then directs it to specific brain regions. While reading this, you might ask: how exactly does the brain communicate to blood vessels and how […]

Overweight is one of the widely recognized risk factors of Alzheimer’s disease. But lower BMI seems also to increase a risk of the disease. According to a recent study, a combination of higher genetic risk for Alzheimer’s and lower BMI, especially in older men, could increase a risk of Alzheimer’s and predict the disease progression.

Alzheimer’s disease is characterized by the abnormal accumulation of beta-amyloid plaques and the tau protein in specific brain regions. A recent international study focused on the accumulation and spread of the tau protein. The study found that spread of tau in the brain has at least 4 clear patterns. Depending on the spread pattern, people […]

You might notice that you have a better mood, plenty of positive emotions and a greater need for socializing during the summer sunny days compared to the darker winter months. Why does it happen and how to explain this?