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By Jacob Franek
Today’s population is aging -- that's no secret. But the extent of this aging is so profound that it’s almost unbelievable. In 2008, there were 500 million people aged 65 or older, which accounts for about 7 percent of the world’s population.
By 2040, that number will hit 1.3 billion, which will account for 14 percent of the total population. While these numbers are staggering, what will make this population shift actually frightening is the associated increase of dementia. Now, that’s something to really worry about.
Although researchers are hoping to find cures for Alzheimer’s and other forms of dementia, most folks will be left to fend for themselves. So, to keep your mind and memory sharper than the rest, here's list of secret memory enhancers. Be sure to keep these to yourself.
1. Gum
Believe it or not, chewing gum can actually improve alertness and memory -- well, maybe. At least that’s the conclusion that two medical studies reported in the journal Appetite back in 2002 and 2004, respectively. In these studies, individuals who chewed gum during the learning phases of a specific test recalled test items better than those who did not. Although the exact reasoning behind why gum would enhance memory isn’t yet clear, one simple explanation said that chewing gum increases heart rate, which subsequently increases blood flow to the brain.
What this means for you and your memory: Before you go out and spend your life's savings on boxes of supposed life-saving secret memory enhancers in the form of spearmint gum, you should know that the jury is still out on this one. Despite those past promising results, more recent studies have failed to find a similar link between chewing gum and memory enhancement, although these newer studies still maintain that chewing increases alertness (no wonder ball players love the stuff so much).
2. Exercise
Men may be more active than their female counterparts, but that still doesn’t mean they get enough exercise. Granted, most men are probably sick and tired of hearing about just how great and beneficial daily exercise can be, but it’s time to chalk up another benefit of regular exercise. A slew of research over the past decade has shown that exercise can be a secret memory enhancer.
In fact, just cutting calories may help you remember where you left your keys. According to a 2008 study in the journal PNAS, eating a calorie-restricted diet had beneficial effects on memory performance in healthy elderly subjects.
What this means for you and your memory: Toss out the cheeseburger and fries, and get outside and get moving. Bike to work, take the stairs or walk to the store. Even simple exercise is a better secret memory enhancer than none at all. Better yet, it’s free.
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