By Dr. John A. Papa, DC, FCCPOR(C)
The
musculoskeletal (MSK) system includes the muscles, tendons, joints,
and bones of the body. Cigarettes
contain many harmful chemicals, including nicotine and carbon monoxide which
negatively affect the physical health and integrity of the MSK system. Included below is a summary of those affects:
1. Smoking decreases bone mineral density (BMD)
and increases the risk of osteoporosis and future fractures. Studies have shown that nicotine
reduces the blood supply to bones, slows the production of bone forming cells,
and decreases the absorption of calcium.
Post-menopausal women who smoke have greater spinal osteoporosis than
non-smoking counterparts. Among men, a
consistently lower BMD at all bony sites is observed regardless of when in
their life they smoked. In addition, a
relationship between cigarette smoking and low BMD in adolescence and early
adulthood has been identified.
2. Smoking delays healing times for bony fractures
and soft tissue injuries such as rotator cuff tears. Nicotine has been shown to decrease the production of fibroblasts (the main
cells responsible for tissue repair). In
addition, the carbon monoxide found in tobacco smoke reduces oxygen levels in
the body which is critical for all tissue healing.
3. Smoking contributes to an increase in spinal
problems.
The reduced blood circulation found in
smokers deprives spinal discs of vital nutrients which can lead to premature
degeneration. Smoking may also provoke
disc herniation through coughing. Studies demonstrate a definite link
between smoking and low back pain that increases with the duration and
frequency of the smoking. Exposure to
secondhand smoke during childhood may also increase the risk of developing neck
and back problems later in life.
4. Smoking increases pain levels. Smokers complain
more often of MSK pain than non-smokers.
Studies indicate that smoking makes individuals more
susceptible to sensing pain at lower thresholds. In addition, smoking causes general damage to
the MSK system through direct chemical irritation, chronic inflammation, and
restricting blood and nutrient flow.
5. Smoking causes stress and de-conditioning in
the body. For optimal
functioning, your muscles and joints need a steady supply of
oxygen-rich blood. Smoking not only
stiffens your arteries, it also decreases the rate at which oxygen and carbon
dioxide are exchanged in the blood. Other
side effects of smoking include fatigue, lung disorders, impaired healing, and
chronic pain. Impaired healing means
that injuries affect you for longer than usual, and healing from surgeries or
infections can be problematic. These
side effects can lead to inactivity, which causes deconditioning.
Scientific
evidence has established links between cigarette smoking and its detrimental
impact on the MSK system. However, it is
never too late to try and quit smoking.
Some of the negative health aspects of smoking start to reverse after a
smoker quits. Those looking for help in
trying to quit should speak to a medical professional. Valuable resources can also be found on the
Health Canada and Canadian Lung Association websites. For additional
information on health and wellness, visit www.nhwc.ca.
This article is a
basic summary for educational purposes only.
It is not intended, and should not be considered, as a replacement for
consultation, diagnosis or treatment by a duly licensed health practitioner.