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Cancer 'is purely man-made' say scientists
04-13-2011, 08:56 PM,
#1
Cancer 'is purely man-made' say scientists
Quote:Cancer is a man-made disease fuelled by the excesses of modern life, a study of ancient remains has found.

Tumours were rare until recent times when pollution and poor diet became issues, the review of mummies, fossils and classical literature found.

A greater understanding of its origins could lead to treatments for the disease, which claims more than 150,000 lives a year in the UK.

Michael Zimmerman, a visiting professor at Manchester University, said: 'In an ancient society lacking surgical intervention, evidence of cancer should remain in all cases.

'The virtual absence of malignancies in mummies must be interpreted as indicating their rarity in antiquity, indicating that cancer-causing factors are limited to societies affected by modern industrialisation.'

To trace cancer's roots, Professor Zimmerman and colleague Rosalie David analysed possible references to the disease in classical literature and scrutinised signs in the fossil record and in mummified bodies.

Despite slivers of tissue from hundreds of Egyptian mummies being rehydrated and placed under the microscope, only one case of cancer has been confirmed.

This is despite experiments showing that tumours should be even better preserved by mummification than healthy tissues.

Dismissing the argument that the ancient Egyptians didn't live long enough to develop cancer, the researchers pointed out that other age-related disease such as hardening of the arteries and brittle bones died occur.

Fossil evidence of cancer is also sparse, with scientific literature providing a few dozen, mostly disputed, examples in animal fossil, the journal Nature Reviews Cancer reports.

Even the study of thousands of Neanderthal bones has provided only one example of a possible cancer.

Evidence of cancer in ancient Egyptian texts is also 'tenuous' with cancer-like problems more likely to have been caused by leprosy or even varicose veins.

The ancient Greeks were probably the first to define cancer as a specific disease and to distinguish between benign and malignant tumours.

But Manchester professors said it was unclear if this signalled a real rise in the disease, or just a greater medical knowledge.

The 17th century provides the first descriptions of operations for breast and other cancers.

And the first reports in scientific literature of distinctive tumours only occurred in the past 200 years or so, including scrotal cancer in chimney sweeps in 1775 and nasal cancer in snuff users in 1761.

Professor David, who presented the findings to Professor Mike Richards, the UK's cancer tsar and other oncologists at a conference earlier this year, said: 'In industrialised societies, cancer is second only to cardiovascular disease as a cause of death. But in ancient times, it was extremely rare.

'There is nothing in the natural environment that can cause cancer. So it has to be a man-made disease, down to pollution and changes to our diet and lifestyle.

'The important thing about our study is that it gives a historical perspective to this disease. We can make very clear statements on the cancer rates in societies because we have a full overview. We have looked at millennia, not one hundred years, and have masses of data.

'Yet again extensive ancient Egyptian data, along with other data from across the millennia, has given modern society a clear message – cancer is man-made and something that we can and should address.

Dr Rachel Thompson, of World Cancer Research Fund, said: 'This research makes for very interesting reading.

'About one in three people in the UK will get cancer so it is fairly commonplace in the modern world.

Scientists now say a healthy diet, regular physical activity and maintaining a healthy weight can prevent about a third of the most common cancers so perhaps our ancestors’ lifestyle reduced their risk from cancer.'

http://www.dailymail.co.uk/sciencetech/article-1320507/Cancer-purely-man-say-scientists-finding-trace-disease-Egyptian-mummies.html
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04-14-2011, 02:16 AM,
#2
RE: Cancer 'is purely man-made' say scientists
Cancer is just the very tip of the iceberg when you compare human lifestyles pre and post-civilization.
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05-07-2011, 07:51 AM,
#3
RE: Cancer 'is purely man-made' say scientists
Yes,i agree to the statement that cancer is man made disease.
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06-15-2011, 04:20 PM, (This post was last modified: 06-15-2011, 04:41 PM by JazzRoc.)
#4
RE: Cancer 'is purely man-made' say scientists
To assert that cancers are man-made is to re-establish one's descent into the Dark Ages - if one had ever climbed out of them.

"'There is nothing in the natural environment that can cause cancer." is DIRECTLY FALSE.

Life on earth has ALWAYS been lived in a MUTAGENIC environment. COSMIC RADIATION from the Sun and even very distant COSMIC events hurls particles at such extreme energies into our atmosphere that AVALANCHES of high-energy particles pass through us at intervals. These particles will (if they hit the exact spot) damage the DNA chemistry which we support and increase our risk of cancer.
Digging down doesn't help: the Earth is HOT by way of atomic radioactive FISSION, and RADON GAS (itself radioactive) passes us as a consequence on its way into space.
It could be argued that we owe our very existence to 4.56 Billion years of such activities, as NATURAL SELECTION certainly needs MUTATIONS to "work on".
Also these days our life-expectancy (and therefore our radiation exposure time) has DOUBLED. "They" didn't often have time to get cancer, because bacterial toxins got there first.

That isn't to say that the average potting shed doesn't contain a riot of carcinogens. It DOES - especially if it contains EARLY examples of "Big Pharma".

I reckon that before you knock science, you should learn some. What do you reckon?
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