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Slicing a cancer tumor spreads it -

According to the National Cancer Institute, "the chance that surgery will cause cancer to spread to other parts of the body is extremely low."

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Breast injury -

A breast injury might cause bruising or swelling, or even a lump known as fat necrosis, but does not cause breast cancer. For this to occur, a genetic mutation must happen in your DNA.

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X-rays -

It is unlikely that exposure to a single X-ray or other types of imaging will be harmful. High levels of exposure, on the other hand, can increase the risk of developing cancer.

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Abortion -

Research is not conclusive, but according to the American Cancer Society, "At this time, the scientific evidence does not support the notion that abortion of any kind raises the risk of breast cancer or any other type of cancer."

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Genetically modified foods -

Contrary to popular belief, there is no scientific evidence that GMOs cause cancer.

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Cell phones -

The radiofrequency (RF) radiation that cell phones emit isn't capable of damaging your DNA and causing genetic mutations (i.e. cancer).

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Power lines -

According to the National Cancer Institute, "The electric energy emitted by power lines is easily shielded or weakened by walls and other objects. The magnetic energy emitted by power lines is a low-frequency form of radiation that does not damage genes."

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Antiperspirants/deodorants -

These do not cause breast cancer, as feared by some people.

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Burnt foods -

It's unlikely that eating burnt toast will increase your risk of cancer, according to Cancer Research UK.

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Mercury fillings -

While excessive mercury is not good for your brain, these dental fillings are usually mixed with silver, tin, and copper, so they do not pose a risk of cancer.

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Sugar -

Sugar as such will not increase your risk of developing cancer. Though obesity might have an impact.

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Toothpaste - There are concerns that triclosan used in some toothpastes (and also used in hand wash) can cause cancer. This is false.

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Hair dye -

Some studies have pointed to a link between hair dye use and some types of cancer. However, more studies are needed and there are many variables when assessing the risk.

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Dairy -

There is no evidence that consuming milk and other dairy products causes cancer.

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Bras -

There is no link between underwire bras and breast cancer.

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Wax on apples -

Apples are often coated with wax to increase shelf life and look appetizing. This does not cause cancer. But any pesticides trapped under the wax might pose a risk, so ensure you wash your apples thoroughly before eating them.

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Candy canes -

Candy canes contain titanium dioxide (a potential carcinogen), which is used as a whitening agent. The levels in candy canes, however, are safe to consume. But they also contain red dye 40 (a carcinogenic). Again, the use of this dye is regulated by the government, so the levels are safe.

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Turning on the AC in your car -

There's a rumor that doing so will spread benzene, which is a carcinogen. However, this is not the case.

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Boiling water for too long or reboiling it -

This supposedly creates harmful chemical compounds in the water that will give you cancer. This is yet another myth.

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Dryer sheets -

Unscented sheets seem to be safe. However, scented versions may contain potentially harmful chemicals.

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Drinking cold water after meals -

A myth has spread that drinking cold water solidifies fat, which then accumulates in the intestines and causes cancer. This is false.

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Using a microwave oven -

These ovens warm up food using radiofrequency radiation. But this is done within the oven itself, and certainly does not make your food radioactive!

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Using a microwave oven -

Microwaving your food won't change its chemical or molecular structure. Therefore, it does not cause cancer.

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Plastic water bottles -

A few year ago, there were concerns over plastic water bottles containing the supposed carcinogen diethylhexyl adipate (DEHA).

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Plastic water bottles -

However, this is a myth, and according to the International Agency for Research on Cancer (IARC), DEHA is not classifiable as to its carcinogenicity to humans.

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Plastic water bottles -

Though there are still concerns over the levels of (bisphenol A) BPA in plastic, the research so far has been inconclusive.

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Some cereals -

Some cereal, including Lucky Charms,  Cheerios, and Quaker Oats, may contain glyphosate, a chemical compound used as weed killer.

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Some cereals -

But evidence on whether glyphosate causes cancer is not conclusive, with different health authorities taking different positions.

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Some cereals -

The brands have addressed this topic and said they comply with all the standards.

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Nutella -

In 2016, the European Food Safety Authority Journal suggested that refined palm oil may have carcinogen compounds. And Nutella contains refined palm oil...

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Nutella -

However, palm oil only becomes dangerous when heated above 200ºC (nearly 400ºF) and this doesn't happens with Nutella, apparently.

See also: The absolute best ways to serve Nutella.

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