With the destruction of memory, learning and reasoning ability, tobacco smoke are actually causing the brain to die, according to the team at the Royal University of London
Learning in the study of 8,800 people over 50 about their health and lifestyle, and performing tests brain like learning new words, new name, or remember the number of animals in a minute ... These tests were repeated after 4 years, and 8 years.
Results showed that overall risk of stroke "comes quite clear with cognitive impairment," in which those who have the highest risk as well as those with the most obvious manifestation of cognitive decline.
At the same time, there are also "close relationship" between smoking and poor scores in the tests.
The study also showed that high blood pressure and being overweight seems to also affect the brain, but to a lesser extent than tobacco.
"We need to make people more interested in changing the way of life, because of the risk of cognitive impairment," said Dr. Alex Dregan, team members said.
Dr Simon Ridley, from the Center for Alzheimer's Research UK, said: "This study reiterated the link between smoking and high blood pressure to risk of cognitive decline and dementia, and additional evidence for that. "
