Study from the USA Proves: Taking Taxis Helps Against Alzheimer's
Many people now consume news like an endless stream. Rarely does something stick—unless it is unsettling. No coincidence: The human brain reacts particularly sensitively to threats. It registers negative news faster and stores it more sustainably. All the more important are news items that take a different direction—from science, for example. There, findings are currently accumulating that quietly and calmly offer hope.
Taxi driving as a mental exercise
An American study analyzed death records of almost nine million people and discovered a peculiarity: professional drivers who regularly navigate through changing environments are less likely to die from Alzheimer’s. While 3.88 percent of the deaths in the general population were attributed to the neurodegenerative disease, the rate among taxi drivers was only 1.03 percent. It was even lower among emergency drivers—0.91 percent.
The researchers suspect that the constant interaction with new routes and situations promotes spatial orientation – and thus activates precisely the brain region that is the first to be damaged in Alzheimer's: the hippocampus. It is essential for memory and spatial navigation.
Flexibility in an unfamiliar environment seems to be the key
However, the protective effect is not evident in all professions where a sense of direction plays a role. Pilots and ship captains even showed higher Alzheimer’s mortality rates in the analysis. Bus drivers were also only slightly below the population average. The level of flexibility may play a role here: those who drive the same route daily challenge their brains less.
The study suggests that regular orientation in unfamiliar environments can train the brain. And here we are again with the taxi drivers (and emergency drivers): plunging into traffic anew every day and having to react spontaneously to the respective traffic situation may be exhausting – but it keeps the brain fresh and protects against Alzheimer’s!
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