Lisa Ginger asked:




Carcinogenesis is the act of forming a cancer. Carcinogens cause mutations in our DNA which can lead to cancer. Therefore, chemicals that cause cancer are called carcinogens. Studies estimate that 2/3 of all cancers are caused by environmental carcinogens that could be eliminated. These carcinogens include tobacco, various chemicals, viruses, dietary factors, radiation sources and sunlight.

How do carcinogens work? Chemical carcinogens, whether they are natural or man-made, cause injuries to the cell in the same basic manner. A carcinogen (radiation, pesticide, tobacco smoke, etc…) enters the tissue of an individual. Once a carcinogen enters the body, it is broken down into an unstable molecule. These chemically unstable molecules are called free radicals.

These free radicals may directly interact with cellular material, like DNA. Free radicals can take nicks out of DNA and alter it. If the free radicals do interact with DNA and nick it, the DNA may become altered. This is how mistakes (or mutations) to our DNA may result.

If you remember our discussion of DNA and cancer, it is the alterations in DNA that may eventually lead to cancer. Sometimes the free radicals interact with other areas of a cell, but the greatest impact can occur when a specific piece of DNA is damaged.

Just imagine, every time we are exposed to a carcinogen, these free radicals form and bump into structures within a cell causing all sorts of damage. It is a miracle our bodies are able to prevent cancers as often as they do since we are exposed to so many carcinogens in our daily lives!

Much of our exposure to carcinogens is from natural sources. For example, the sunlight we are exposed to every day is carcinogenic. The cells within our bodies have developed incredible mechanisms to compensate for carcinogens, but there is a limit to the amount of exposure they can take. If an individual is exposed to too many carcinogens, their body can become “overloaded with free radicals”. In these instances, inevitably, something will wind up damaged.

This section on carcinogens does not intend to point out everything that is thought to be carcinogenic, just some of the things you should be aware of. In some of our other articles, we focus on radiation and some of the earth’s natural substances. In addition we will cover the man-made cancer causing agents that are polluting our food, water, and probably even the places we live and work in. It is a rising concern and pressure from everyday citizens that will keep the problems from getting worse.



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Georgina Cundall asked:






 

Eating fruits and vegetables is one of the best ways to maintain good health. Fruits and vegetables are an important part of a healthy diet. They contain vitamins, phytochemicals, and minerals that can protect your body from diseases like diabetes, cancers, and heart diseases. Ideally, you should consume five kinds of vegetables and two kinds of fruits each day.

If you want to enjoy the maximum nutritional benefits of fruits and vegetables, it is best to select those cultivated in your local region. Imported fruits and vegetables may not have the inherent taste and flavor as they have been picked and packed some time before.

Seasonal fruits and vegetables have a natural taste and flavor of their own and may be easier on your wallet.

Apples: Choose firm and unbruised apples. Handle them gently. If you choose red or yellow colored varieties, they should be mostly of that color. Red or yellow apples with green patches may not be ready to eat.

 

Asparagus: Choose asparagus with straight and bright-green stalks and stiff tips.

 

Bananas: Bananas should be firm and not soft. They should not have any bruises, especially along the underside. Normally, bananas with little shades of green ripen in room temperature. Some people claim that bananas that are partly green are better for helping your digestion of other foods.

 

Beets: Beets should be firm and should remain attached to red stems and fresh green tops. Do not choose loose beets without tops.

 

Blueberries: Choose firm and fresh blueberries. Frozen wild blueberries are normally available all year through. 

 

Broccoli: Choose broccoli with tight bud heads and dark green in color. Brocolli stems are eaten by many people and also a great treat for small parrots when split so that the birds can get at the soft pulp inside.

 

Carrots: Choose carrots with smooth skin. Do not choose thick carrots, as their centers could be hard too. If you buy fresh, bunched carrots with green tops, remove the tops before storing.

 

Cucumbers: Choose firm, dark green and unblemished cucumbers.

 

Eggplant: Choose heavy and smooth-skinned eggplants.

 

Fresh Figs: Pick heavy and plump figs. Also, choose the nice-smelling ones as sour-smelling figs are normally old ones.

 

Garlic: Pick those surrounded with tissue that have firm bulbs. Do not pick garlic with green sprouts.

 

Grapes: Choose firm grapes. Soft ones could be too ripe.

 

Hass Avocados: Choose avocados with rough skin as smooth-skinned avocados may have less flavor. Dark-skinned avocados are good to eat.

 

Honeydew Melons: Melons should not have any bruises or broken skin or rind. It should be easy to open them with a little pressure. Melons with some wrinkled skin may be a good buy. Also, check for a mild fragrance. This indicates the melons are ripe enough.

 

Leeks: Choose leeks with white bulbs and dark green leaves. Do not pick ones with yellow and brown spots, as they could be over-ripe.

 

Mushrooms: Choose unwrinkled, plump, unbruised and blemish-free mushrooms for those with the best taste.

 

Onions: Choose firm onions without any soft spots. Green onions should have bright green leaves or shoots.

 

Oranges: Oranges should be heavy and bulky. They should be free of any blemishes.

 

Peaches: Peaches should have a smooth skin and should give when you apply just a little pressure. They should not have any bruises.

 

Pears: Smooth-skinned and unbruised pears are the best.

 

Potatoes: Choose firm potatoes without any cracks or bruises.

 

Raspberries: Choose bright red raspberries. Be sure to check for any white or cotton-like strands around berries. These may indicate the growth of mold.

 

Red Peppers: Choose red peppers with smooth, thick skin.

 

Spinach: Choose spinach with dark green leaves and without any signs of yellowing.

 

Strawberries: Choose dark and bright red plump fruits without any bruises. Also, choose the ones with a fragrance.

 

Tomatoes: Pick tomatoes that are firm and bright in color. They should be free of any bruises.

 

Watermelon: Watermelons should have a tight, dark-green rind. Tap the melon slightly. If it gives out a hollow sound, it indicates a juicy and full melon.

 

Winter Squash: Squashes should have a hard, smooth skin.

 

Yams: Yams should be free of any cracks or soft spots.

 

Zucchini: Choose zucchini with firm, dark-green skin. Soft and wrinkly zucchini are old.

To find out more fabulous information about how to incorporate a healthy lifestyle with more fruits and vegetables order your copy of Fabulous Fruit and Vegetables today.

 



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Ajay R (articlesubmit.net) asked:




The same researchers who recently made us

aware of the potential link between cell

phone use and low sperm count, acknowledge

that sperm counts and human fertility have

been steadily dropping for at least 30 years. At the same time, testicular cancer is now a major killer of young men while breast cancer is steadily rising to epidemic proportions.

What these maladies have in common is the widespread contamination of our nation’s water resources with malicious toxins such as DDT, PCBs, dioxins, herbicides, pesticides and other synthetic organic chemicals. Researchers have found that these chemical culprits create havoc with our bodies by acting like the body’s own estrogen hormone.

Some of the hormone imitators are even stronger than estrogen in action and create an excessive estrogenic stimulation in both men and women. For men, this can manifest as lowered sperm count, feminization, impotence, and prostate or testicular cancer. For women, there is increased risk of breast cancer and reproductive disorders, including menstrual irregularity.

Two of these toxins, the insecticide DDT, and PCBs, were banned in the 1970s in this country. Unfortunately, they are still hanging around because it takes many years for them to break down. Most of the other offenders are still being used at the rate of millions of pounds every day! Even if they stopped using them today, it would take a long time for the environment to heal.

Concern is becoming so great, in fact, that the U.S. Environmental Protection Agency has been studying the hormonal impact of thousands of chemical pollutants in our environment. In addition, the Centers for Disease Control and the National Institute of Health recognize at least 50 chemicals in the environment as having this estrogenic effect.

Despite this concern, it is shocking that many of these chemicals are not even required to be tested for in public water supplies. Those with private wells are even at greater risk. Those that have these chemicals in their water may not even be aware of their presence because you may not be able to see, smell or taste them.

To play it safe, it is wise to have your water tested yourself with an independent analysis of your own undertaking. What’s at stake is your and your family’s health, and possibly the future of the human race. Maybe eventually they’ll realize (or even care) what they are doing to the environment and our health, before the sperm counts drop to zero.



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Corwin Brown asked:




Colorectal cancer is a term used to describe cancers (lumps, growths, tumours) of the colon (the large intestine or bowel) and rectum. Together, they are one of the most common cancers in the world. Tumours can be described as benign or malignant. Benign tumours do not spread, but malignant tumours, such as in colorectal cancer, are made up of cells that can spread to and damage other parts of the body.

If cells keep dividing when new cells are not needed, a mass of tissue forms. This mass of extra tissue, called a growth or tumor, can be benign or malignant.

Benign tumors are not cancer. They can usually be removed and, in most cases, they do not come back. Most important, cells from benign tumors do not spread to other parts of the body. Benign tumors are rarely a threat to life.

Causes

Researchers do not know the cause of colorectal cancer. But they do know that certain risk factors make it more likely that a person will develop the condition. These risk factors include:

Family history. About 10 percent of all cases of colorectal cancer are thought to be hereditary. People whose family members have had the disorder are more likely to contract it themselves.

History of colorectal cancer. Some people contract colorectal cancer more than once. New cancers develop in areas other than those in which the cancer first appeared.

Symptoms

The symptoms of bowel cancer are very similar to common complaints such as piles or irritable bowel syndrome. Blood in your stool may be a sign of cancer, but it can also indicate other conditions. Bright red blood you notice on bathroom tissue may come from hemorrhoids or minor tears (fissures) in your anus, for example.

When symptoms are present, some of the most common symptoms are:

* Rectal bleeding

* Changes in bowel habits.

* Stomach cramps or abdominal pain.

Diagnosis

Screening Tests: Early diagnosis depends on routine screening. The stool can be tested for occult blood. To help ensure accurate test results, the person eats a high-fiber diet that is free of red meat for 3 days before providing a stool sample. Alternatively, a doctor can test stool obtained during a digital rectal examination, in which a gloved finger is inserted in the person’s rectum. If blood is detected, further testing is needed.

Treatment

Surgery – Surgery is an operation that involves removal of cancerous part of the colon. It acts as a primary treatment for colon cancer.

Biological therapy, also called immunotherapy, uses the body’s immune system, either directly or indirectly, to fight cancer. The immune system recognizes cancer cells in the body and works to eliminate them. Biological therapies are designed to repair, stimulate, or enhance the immune system’s natural anticancer function.

Chemotherapy – This treatment includes treatment with drugs that kills the cells, like cancer cells. This treatment is given to those with advanced cancers that have spread others parts of body, possibly outside colon.

Radiation therapy – Radiation therapy is a special kind of treatment, which uses radiation to destroy fast growing cancer cells.



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Iman Ashour asked:




Although there is accumulating evidence linking environmental factors in the development of cancer; still the answer to the above question remains unknown in this modern day and age of human science and study.

As much as a detailed history and risk factor recognition could reveal a combination of possible exposures that may explain somewhat the cause of cancers. The question of “Why my child?” is, at this stage of knowledge, more difficult to answer however.

Cancer is a disease that occurs when a complex and not completely understood process involving genetic and environmental factors interaction results in the development of an abnormal cellular response otherwise known as malignancy.

In the United States and Europe that overall rates of childhood cancer have been steadily increasing since the 1970s and continue to be on an upward trend, the commonest cancers being those of the blood (leukemia), central nervous system tumours and of the lymphatic system (Lymphomas).

The rates of childhood cancer have been noted to be higher in children younger than 5 years of age with another incidence spike in those aged between 15 to 19 years, again the answer to why this is obviously requires further study, analysis and research.

This upward trend has raised valid concern as to what the causes might be and why modern day medicine which aims at preventing and treating these illnesses has been puzzled by this cancer myth. Could it be that human progression and scientific development perhaps are counteracting our goals?

Below is a list of common risk factors that have been associated with various types of cancers:

-Ionizing radiation.

-Proximity to nuclear facilities

-Exposure to radon

-Diagnostic radiographs

-Non-ionizing radiation.

-Solar UV radiation

-Extremely low-frequency electromagnetic fields(electric cables)

-Viruses (e.g Hepatitis)

-Traffic-related air pollution (exposure to Formaldehyde)

-Industrial air pollution (exposure to toxic fumes)

-Environmental tobacco smoke (Exposure to carbon monoxide and formaldehyde)

-Pesticides and various chemical toxins.

-Medications, food and drugs

-Parental occupational exposures

As a result of the above information and by revising what we currently do know about cancer and its causation, thought still unsatisfactory. It is essential to take the above triggers extremely seriously and avoid the hazards that may result following exposure to them.

Learn to live life well, especially if you are planning on getting pregnant or already are.Everything you eat, drink and breathe should be a cause of concern in this day and age as we have become an overchemicalized and toxin dependant world.

Having said all that it is hard and perhaps close to impossible to control your surroundings all the time, still you need to discipline yourself and learn to be diligent in what you expose yourself, genetics and future children to.



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