Does driving make you dumber?

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Research suggests that driving puts your brain in reverse. Driving for more than two hours a day steadily reduces your intelligence.

The researchers at Leicester University studied more than 500,000 Britons aged 37-73 who were given intelligence and memory tests.

They were actually looking at the effect of sedentary behaviour on brainpower. They found it fell faster among middle-aged people who drove long distances every day.

So middle-aged people should cut out that long-distance commute and find more socially stimulating things to do.

It was already known that sedentary behaviour was bad for your heart but now it appears to be bad for your brain too “perhaps because the brain is less active in those hours (I hope they weren’t referring to driving).

Cognitive decline can happen quickly “(It’s) decline is measurable over five years because it can happen fast in middle-aged and older people. This is associated with lifestyle factors such as smoking and bad diet – and now it’s time spent driving” said Kishan Bakrania.

93,000 of the participants who were already driving two to three hours a day had lower brainpower when the research started – and it continued to decline and faster than people who did little or no driving.

Similar results were found with TV watching. Those who watched 3 hours a day had lower brainpower at the start of the research and it fell faster over five years.

Although studies are suggesting that cognitive decline is linked to physical inactivity using a computer at work or for playing games actually stimulates the brain – whereas watching TV doesn’t. However sedentary behaviour is also linked with obesity, Type 2 diabetes and cardiovascular problems. So get off that couch!

The research results were no surprise to the Alzheimer’s Society. Cardiovascular health will affect memory and thinking skills and “staying mentally and physically active hips keep the brain healthy“.

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