
Oladapo Ashiru
| credits: File copy
| credits: File copy
By
environmental causes, we mean what is around you each day that may
eventually cause cancer. This could include tobacco smoke, the sun,
natural and man-made radiation, work place hazards, asbestos, etc.
Some of these are avoidable and some
aren’t. Most are only contributing factors to causing cancers — part of
the jigsaw puzzle that scientists are still trying to put together.
Viruses
Viruses can cause some cancers; but this
does not mean that these cancers can be caught like an infection. What
happens is that the virus can cause genetic changes in cells that make
them more likely to become cancerous.
These cancers and viruses are linked:
Cervical cancer and other cancers of the genital and anal area, and the
human papilloma virus (HPV); primary liver cancer and the Hepatitis B
and C viruses; lymphomas and the Epstein-Barr Virus; T cell leukaemia in
adults and the Human T cell leukaemia virus; HPV also probably leads to
oropharyngeal cancer and non melanoma skin cancers in some people.
There will be people with primary liver
cancer and with T cell leukaemia who haven’t had the related virus. But
infection increases their risk of getting that particular cancer.
With cervical cancer, scientists now believe that everyone with an invasive cervical cancer has had an HPV infection beforehand.
Many people can be infected with a
cancer-causing virus and never get cancer. The virus only causes cancer
in certain situations. Many women get a high risk HPV infection, but
never develop cervical cancer.
Another example is Epstein-Barr virus
(EBV). These are some facts about EBV: It is very common — most people
are infected with EBV; people who catch it late in life get glandular
fever and have an increased risk of lymphoma.
In sub Saharan Africa, EBV infection and
repeated attacks of malaria together cause a cancer called Burkitt’s
lymphoma in children. In China, EBV infection (together with other
unknown factors) causes nasopharyngeal cancer.
In people living with AIDs and
transplant patients, EBV can cause lymphoma. About four out of 10 cases
of Hodgkin’s lymphoma and a quarter of cases of Burkitt’s lymphoma (a
rare type of non Hodgkin’s lymphoma) seem to be related to EBV
infection.
Bacterial infection
Bacterial infections have not been
thought of as cancer-causing agents in the past. But studies have shown
that people who have helicobacter pylori (H. pylori) infection of their
stomach develop inflammation of the stomach lining, which increases the
risk of stomach cancer. Helicobacter pylori infection can be treated
with a combination of antibiotics.
Research is also looking at whether
substances produced by particular types of bacteria in the digestive
system can increase the risk of bowel cancer or stomach lymphomas. Some
researchers think that particular bacteria may produce cancer-causing
substances in some people. But research into this issue is still at an
early stage.
If bacteria do play a part in causing
cancer, this could be important in cancer prevention. Bacterial
infections can often be cured with antibiotics, so getting rid of the
infection could be a way to reduce the risk of these types of cancer.
Detoxification and cancer prevention
Toxins are poisonous substances that
interfere with normal physiology and negatively impact bodily function.
Toxins are produced inside the body through normal and abnormal
processes. Some toxins are by-products of metabolism and imbalances in
the digestive system. Abnormal processes often occur due to accumulation
of toxins over time. Toxins also enter the body through exposure from
the outside environment from contaminated water, contaminated food,
indoor and outdoor pollution, sun exposure, smoke and tobacco use,
excessive alcohol, heavy metals, pharmaceutical drugs, infectious
diseases, chemical dependency, chemicals and radiation, etc.
What is detoxification?
Detoxification is the process of ending
accumulation of and actively eliminating toxins in the body. The link
between detoxification and cancer therapies is an important topic to
learn about when creating an integrative cancer care plan. The body has
natural built-in functions for detoxification. But naturally occurring
detoxification may not adequately eliminate toxins in the body for a
number of reasons.
People are constantly exposed to toxins.
If the body cannot adequately detoxify, the accumulation of toxins
often creates inflammation and other health problems that may result in
diseases such as cancer. Toxicity may be associated with suppressed
emotions and thinking. A lack of expression may cause depression,
anxiety, other unhealthy feelings, stress and physical ailments. Toxic
relationships may also contribute to toxicity in the body.
Role of orthomolecular supplements in cancer prevention
Other common names: megavitamin/megamineral therapy, nutritional medicine.
Orthomolecular medicine is the use of
high doses of vitamins, minerals or hormones to prevent and treat a wide
variety of conditions. It is also the restoration and maintenance of
health through the administration of adequate amounts of these
substances which are normally present in the body.
The doses are well above the recommended daily allowance and may be used along with special diets and conventional treatment.
Although the scientific evidence to
support the effectiveness of orthomolecular supplements in cancer
prevention is still being researched, it has been found to be a useful
adjunct to the prevention therapy, especially where food eating is
difficult. Studies have shown that taking supplements is not as
effective in cancer prevention as eating foods that contain the vitamins
or minerals. Research is still ongoing in this area.
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