It makes one wonder how much money is wasted on research into seemingly trivial and irrelevant issues. Nonetheless, some of this research does result in useful findings. Why would there be tests on old cars to find out whether they are healthier than new vehicles? Well, research has been done and older cars are healthier largely because they let more air in through seals that do not fit anymore.
Most drivers and passengers jump into the modern vehicle and turn the air conditioning on, thus locking themselves into a sealed capsule. This may be comfortable but it can cause illness. To make the air conditioner function better it is common to choose the recycle setting, so we breath stale air. This is more damaging than taking in pollutants from outside.
When you go for a drive in future you should be careful about who you are travelling with. If a passenger has the flu, everyone else will probably get it. Set the air conditioner to the ventilation setting or leave a window slightly open.
Most drivers and passengers jump into the modern vehicle and turn the air conditioning on, thus locking themselves into a sealed capsule. This may be comfortable but it can cause illness. To make the air conditioner function better it is common to choose the recycle setting, so we breath stale air. This is more damaging than taking in pollutants from outside.
When you go for a drive in future you should be careful about who you are travelling with. If a passenger has the flu, everyone else will probably get it. Set the air conditioner to the ventilation setting or leave a window slightly open.
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Motoring