Why am I hungry?

        Have you eaten a meal and soon
afterwards felt hungry?   It turns out that hunger
can be influenced by both biological and
psychological factors. While hunger can be the
result of underlying medical issues, most often it’
s a symptom of habits gone awry.  Should you
find yourself snacking between meals to the
detriment of your waistline, consider the
following possible lifestyle causes.

        Refined carbohydrates like white bread,
breakfast cereals, white rice, and pasta cause
blood sugar to spike and crash leaving you with
low glucose levels. The low glucose level
increases hunger and stimulates parts of the
brain associated with reward and craving.  
What results is a feeling of hunger driven by a
urge for another ‘glucose high.’ The solution to
these spikes and crashes is fewer processed
foods.  Depending on food tolerance, this
typically requires a new diet with more whole
grains, vegetables, legumes, fruits, etc.  
Consider increasing foods like brown rice,
quinoa, arugula, bok choy, broccoli, Brussels
sprouts, cabbage, cauliflower, collard greens,
and apples.  

        Not getting enough sleep can affect your
appetite.  In one study, sleep deprivation was
determined to result in overeating almost 400
additional calories the following day. The
solution is to first determine the underlying
cause.   Often, lifestyle habits are at the heart of
the problem.  

        Many confuse thirst with hunger.  This is
not a surprising since sensations for hunger and
thirst come from the same part of the brain.  
Next time you feel a hunger urge before meal
time, drink a glass of water and wait 30 minutes
to see if your hunger dissipates.  In one study,
drinking two cups of water before eating
resulted in consuming almost 100 fewer
calories during the subsequent meal.

        Stress can cause the adrenal glands to
release cortisol which increases appetite.  A
common symptom is junk food snacking. The
solution is to de-stress your life.  Increasing
exercise is a good first step.  And, don’t
underestimate the value of a counselor. Often
the solution to stress is obvious to everyone but
us.  A practice of mindfulness and meditation
can be helpful.

        Low-Fat Foods can leave us feeling
hungry. While fats are high in calories, in
moderate amounts they are an essential part of
what makes a meal satisfying.  Be aware that
that many foods promoted as ‘low-fat’ and ‘non-
fat’ compensate for taste by adding sugar.  
Sugar and refined carbohydrates lead to a
blood sugar rollercoaster that leaves us craving
more. The solution is to include healthy fats.  
When buying dairy products go with the full-fat
options.

        Counting calories to the exclusion of a
balanced diet can make us hungry.  It's not
calories that satisfy our hunger urges, its fiber,
protein, and healthy fats.  No matter how much
we eat, our body will want more food unless we
satisfy its needs.  If being hungry by mid
morning is a problem then consider a breakfast
that includes a high-protein, high-fat  Greek
yogurt and a veggie-filled omelet with chia
seeds.  As an alternative to yogurt, half an
avocado can be substituted.  Then wrap the
other half to enjoy with your mid day meal.

        Eating too quickly can trick you into
believing you are still hungry.  Typically, it takes
your brain about 20 minutes to get the message
that you have eaten a sufficient amount.  If you
wolf down what should have been a sufficient
meal in 5-10 minutes you may be inclined to
over eat.   The solution is to eat slowly.  A helpful
habit is to eat half of your planned meal and wait
15 minutes to finish the rest.  Giving your
stomach a chance to digest and decide whether
you've had enough can help sidestep a delayed
signal that you’ve had enough.

        Drinking soft drinks (plain and diet) can
stimulate hunger. In studies, artificial
sweeteners were found to increased appetite
as much or more than real sugar.  Combo
meals that include a discounted soft drink help
sell fast food.  Sweet tasting energy drinks also
stimulate hunger.  A better choice is tea or
coffee without sweeteners.

        Inactivity can makes us hungry.  Exercise
helps minimize spikes in blood sugar and lower
insulin levels.  Without physical activity the body
will struggle to manage glucose levels and leave
you to feeling hungry. If you normally sit most of
the day then set a timer to remind you to get up
and get physical.  While up, have a glass of
water.

        A morning walk with a bottle of water to sip
can mask false hunger urges.  Walk with a
friend and you have a combo prescription for
both physical and mental health. About the
Saturday morning walk - that’s an invitation
.
     
Nancy Neighbors, MD
      Huntsville, Alabama