11. Quit smoking: It can cause significant damage to your memory, say researchers at Northumbria University.
When 69 students aged 18 to 25, were asked to memorise a list of tasks, those who had never smoked did best, remembering to complete 81% of the tasks.
The smokers – on an average of 60 cigarettes a week – managed to get through only 59%.
A separate study at King’s College London found that middle-aged smokers performed less well on tests compared with those without the tobacco habit.
12…And cannabis too: Adolescents who are regular users of cannabis are at risk of permanent damage to their intelligence, attention span and memory, according to the results of a new long-term study, which followed over 1,000 people from birth to the age of 38.
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