Shoppers spend 16 weeks, on average, researching cars on the Web, reports the trade magazine Wards Auto
, and by the end of that time, they're often more confused and overwhelmed than when they started
. One way to make the drawn-out process seem less daunting: Eat trail mix while you read reviews and weigh options. Recent experiments have shown that the simple sugar glucose (which is found in raisins) can counteract the negative brain changes wrought by decision fatigue and keep your impulse control
(ooh, retractable door umbrellas!
) in check.