The science of virusesvirology


How to Supercharge Your Energy Levels through Exercise

Your energy levels will depend on severaleven just carrying the garbage can to the
factors, including genetics, nutrition, sleepcurb, they're also carrying that excess
habits, and emotional stress. Some of theseweight, making almost everything they do more
you have no control over But there is oneexhausting.Better-conditioned muscles make
VERY important factor that you do haveevery task that much easier, regardless of
control over and that is your ability to takebody weight. When you exercise, your ability
part in physical exercise.Need a source ofto use muscle fibers is increased. So you
vast power and energy?Look no further thanrequire less effort to perform any physical
your gym.The link between physical fitnesstask.A strong body also has a stronger immune
and energy is so strong, that doctors havesystem. Being sick drains us of energy, and
lately been prescribing exercise as treatmentexercise, by boosting immunity, staves off
for chronic fatigue, depression, seasonalillness. Recent research has shed light on
affective disorder (SAD), and insomnia, forwhy the strong may get sick less often and
instance.If sufferers of the most stubbornrecuperate faster when they do get sick:
kind of fatigue can be energized withexercise increases the activity of natural
exercise, imagine what can do for those of uskiller cells in the bloodstream.* Less Stress
who experience ordinary, every-day fatigue.**A great deal of research supports that
Feel Great At Mid-Afternoon *Your brainweight lifting is one of the most effective
thrives on oxygen. Blood transports oxygen tomeans of battling depression and stress. One
the brain, so the greater blood flow to theof the main fatiguing factors of depression
brain, the greater the oxygen supply theand stress is lack of sleep. In a recent
brain has. As you increase your heartbeatStanford University study, formerly sedentary
with a vigorous workout, more blood surgesinsomniacs who began to exercise fell asleep
through the brain, more oxygen gets absorbed15 minutes faster and were able to sleep an
by your brain cells, and you feel morehour longer than they had before becoming
mentally alert and energetic.Experts pointactive.* Boost Brain Fitness *To this point,
out another long-term cause-and-effectwe've been talking about the benefit of
relationship between exercise and blood flowexercise on mental energy. But is it possible
to the brain: as you continue exercising, thethat being in shape might translate to even
number of capillaries (small blood vesselsgreater mental benefits, such as increased
between your arteries and veins) throughoutintelligence, creativity, memory, or
your body will grow. More blood flow throughreasoning ability? It's very possible.Studies
your "pipes" means more oxygen will beshow that both factors of mental stimulation
supplied where you need it.Regular exerciseand exercise were contributing to the
also keeps the pipes clear and circulationincrease of the brain's learning centers in
healthy by preventing atherosclerosisdifferent ways. Mental stimulation results in
(buildup of plaque). Regular exercise canmore synapses (the little gaps between brain
actually REVERSE atherosclerosis whennerve cells that enable them to communicate
combined with a healthy nutrition plan. Whenwith one another), while exercise increases
you have atherosclerosis in check, your brainthe number of capillaries in the cerebellum
is virtually guaranteed for the rest of yourand cerebral cortex (two areas of the brain
life.Blood also carries glucose, the simplecrucial to intelligence.)* Take a Walk
sugar that's the primary fuel source for your*Medical research results could hardly be
entire nervous system of which the brain isclearer: Taking a walk is one of the best
the command center. Glucose's productionways to take charge of your health. A study
starts the metabolism of carbohydrates.in the Journal of the American Medical
Various enzymes, plus your body's ability toAssociation (February 11, 1998) showed that
use glucose to produce ATP, the morewalking briskly for half an hour just six
important energy chemical in the body,times a month cut the risk of premature death
control this production. When you exercise,in men and women by 44 percent. A study in
you increase the level of those enzymes andthe New England Journal of Medicine (January
their activity.In other words, when you8, 1997) reported that men 61 to 81 years old
exercise regularly, you boost your enzymes,sharply reduced their risk of death from all
resulting in more glucose, and your body iscauses, including cancer and heart disease,
more efficient in using the glucose. You getby walking two miles a day. Other research
a larger supply of ATP, which helps fight offhas shown similar results for women.Recent
the mid-afternoon energy drop-off.* Increasestudies have concluded that moderate amounts
Metabolism *It's no secret that strengthof exercise - including walking, jogging or
trainers are firmer and stronger thanusing a treadmill for one hour, four to five
sedentary folks. How could it betimes a week - can turn back the aging clock
otherwise?Resistance exercise builds muscle,30 years for middle aged men.Consistency is
pure and simple. The more muscle you have,probably the most important part of your
the higher your metabolism, and the moreworkout. The more committed you are to
calories you burn even at rest.So why doeswalking all or most days of the week, the
"strong and toned" equate to more energy?Forhealthier you'll be. Remember that short
starters, heavy people have to lug aroundwalks are better then none at all. Health,
more weight all day long. When the overweightlike life, is a journey. All you have to do
climbs a flight of stairs, do yard work, oris take the first step.



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