I think it is control group
I believe that the best answer for this question is false. The individual who was the first to describe microbes was Antonie van Leeukwenhoek. He is considered to be the Father of Microbiology and the first microbiologist. Hook was actually his contemporary. I hope this helps.
It appears that the same lifestyle factors that contribute to the development of Cerebrovascular disease also increase the risk for vascular dementia. Vascular dementia describes the problems with reasoning, planning, judgement, memory and other thought processes caused by brain damage from impaired blood flow in the brain.