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The functional
medicine approach is centered on the principle
that restoring proper cellular metabolism, through
reducing toxin levels and lowering oxidative stress
to the body, will allow normalization of mitochondrial
respiration, cellular energy production, and ultimately
to a reduction of the signs and symptoms of chronic
disease.
The functional medicine philosophy springs from
the premise that a breakdown of the intestinal
lining occurs due to the long-term ingestion of
food and water-based toxins. This is aggravated
by the use of common prescription and over-the-counter
drugs such as antibiotics and NSAIDs (i.e. aspirin,
Tylenol, and ibuprofen). This leads to a hyperpermeable
of the intestinal mucosa, or leaky gut syndrome.
The healthy intestinal lining is very selective
about what it allows into the blood stream. It
allows nutrients while holding back larger chemicals
and toxins. Leaky gut is when the intestinal lining
fails to act as a selective barrier, allowing
food-based toxins and partially digested food
proteins into the blood stream. The result is
an increase in food allergies and increased toxic
load. This increased toxic load will, over time,
lead to increased stress on the liver and its
ability to adequately detoxify these substances
through phase I and II pathways. This in turn
will ultimately result in even higher levels of
tissue toxicity.
Increased
tissue toxicity is thought to be a major trigger
for mitochondrial dysfunction. Since the mitochondria
are the only source of energy for the cell this
results in an inability of the body's cells, including
the muscle cells, to efficiently use oxygen dependent
aerobic metabolic pathways. These pathways account
for the majority of the body's ATP production.
Decreased cellular ATP production can account
for many (if not all) of the symptoms and signs
associated with many chronic disease states, such
as chronic fatigue syndrome (CFS) and fibromyalgia
(FMS).
Leaky
Gut syndrome can also result in partially digested
medium to large food proteins entering the blood
supply. Acting as antigens these particles fool
the immune system into thinking there is an infection.
These food proteins are similar to the proteins
in the bodies joints, causing the
immune system to attack the bodies own joints.
This inflammatory response in the body's joints
is commonly seen in arthritidies such as rheumatoid
arthritis (RA). The main treatment used by medical
physicians in the treatment of RA are (ironically)
NSAIDs. According to the PDR, NSAIDs cause increased
intestinal permeability, thus aggravating the
underlying cause of the arthritis. Is it possible
that the traditional allopathic treatment for
arthritidies has only resulted in temporarily
reducing the patient's symptoms, while actually
making the underlying disease worse?
The functional
medicine treatment strategy is focuses on repairing
the
intestinal mucosa, correcting leaky gut syndrome,
providing substances to the body to aid tissue
detoxification, reducing oxidative stress, increasing
cellular ATP levels and ultimately promoting a
return of normal cellular metabolism.
The process
begins by determining intestinal health and the
functional
reserve of the liver and its detoxification abilities.
This is commonly done
with the help of patient symptom questionnaires,
and functional laboratory studies, such as the
complete digestive stool analysis (CDSA) for detecting
markers of digestion, absorption, and colonic
flora.
Detoxification
ability of the liver can be assessed via the caffeine
clearance and conjugation metabolite challenge
tests, which evaluate phase I (cytochrome P450)
and phase II (conjugation) liver detoxification
pathways. These tests are not performed by standard
clinical laboratories, but are available through
specialized laboratories that offer functional
testing.
Once
the data is collected, a treatment program is
selected, which may
include specific nutrients to correct any intestinal
hyperpermeability
(leaky gut syndrome), or liver inadequacies.
"Four
R" Approach to Gastrointestinal Restoration
Remove: Eradicate any pathogenic microflora, yeast
and/or parasites with natural or prescription
agents suggested on the CDSA (i.e.berberine/goldenseal,
garlic, artemesia, citrus seed extract, uva ursi,etc.).
Eliminate known allergenic foods and/or follow
a modified elimination diet by avoiding dairy
and gluten containing foods, and emphasizing fresh
nonprocessed foods. Replace: Provide pancreatic
multidigestive enzymes and HCL if appropriate,
particularly if markers of malabsorption are present
on the CDSA. Reinoculate: Administer lactobacillus
acidophilus, bifidobacteria and probiotics such
as fructooligosaccharides (FOS) and inulin. Repair:
Provide nutrients to support gastrointestinal
mucosal integrity. After intestinal issues have
been effectively corrected, upregulation of liver
detoxification pathways can be accomplished by
providing nutrients which are used in phase I
biotransformation and phase II conjugation pathways.
Patients with elevated phase I cytochrome P450
enzyme activity and slow phase II conjugation
activity should be treated with antioxidant therapy
before detoxification begins. This slows the production
of highly
toxic biotransformed intermediate molecules, which
increase oxidative stress on the body.
This
should all be combined with a diet, which emphasizes
fresh foods, and eliminates processed and allergenic
foods. This will reduce the patient's dietary
toxic load (exotoxins), while the intestinal program
will reduce gastrointestinal derived toxins (endotoxins).
Following a modified
elimination diet, which eliminates the ingestion
of gluten and dairy
containing foods, and discontinuing as many drugs
as possible, will also
help during the detoxification process.
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