Not too long ago, the majority of mainstream scientists
agreed that the brain remained static or shrank as we aged. According to the prevailing thinking of the
day, the brain could not grow physically in the adult years, and it certainly could not grow in terms
of intellect.
That notion has little, if any, traction these days.
Thanks to an abundance of research in the past decade or so,
researchers now know that areas of the brain actually can grow regularly - physically
and intellectually. In other words, we,
indeed, can get smarter as we get older.
Typically, the catalysts for such changes in the brain derive
from the overall condition of the body, influenced, of course, by its
environment, that is, the factors that routinely affect us physically,
mentally, and emotionally.
Stress, for example, can adversely affect the condition of
the brain, as can a lack of sleep and exercise. Studies reveal that being
overweight or having high blood pressure also can increase the risk of poor
brain function.
On the other hand, research tells us that the better we
manage those and other issues and activities, the better our brain will
operate. We know, for example, that a healthy lifestyle can contribute to a
healthy memory.
A study of London cab drivers found that activities such as
preparing for exams and studying the streets of the city – which the cab drivers
must do to receive a license – increased the size of their brains in the region
related to memory.
So what can we learn from this growing accumulation of
research? What can we do to improve our
brain in a way that may help us to get smarter?
With the understanding that individuals should always
consult with their doctors and other professionals before undertaking any form
of exercise or diet, here are three simple (i.e., accessible and not complicated), but often overlooked activities that the research indicates can help:
- Walk – Walking is a great
exercise, especially if done with others.
Not only does it carry a cardiovascular benefit, but it also helps
to keep us calm, lowering stress levels, and, if chatting with others
along the way, helps to stimulate our minds.
In one study, men and women were
directed to walk for 45 minutes, three days a week, for a year. The results indicated improved cognitive
skills and an increase in brain size.
This is good news for everyone, but
for senior citizens especially, as the entire human body, including the brain, may tend to shrink as it ages.
- Eat and sleep with a
healthy focus – Research tells us that a good night’s sleep of 6 to 8 hours
or more contributes to a healthy brain, and that healthy diet choices can
fight mental disease. Foods that often get mentioned as particularly
healthy in this regard are whole grains, nuts, fish, and vegetables.
- Exercise mentally – Just
as physical exercise can help the body, mental exercise can help the
brain. Particularly helpful could be activities that introduce new
challenges, such as crossword puzzles, learning a new language, or confronting ingrained habits, like brushing your teeth using the “other”
hand every now and then.
We would be wise not to overlook or underestimate the benefits of these activities.
For more valuable information, see Dr. Droge's
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