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Here is something that every smoker who argues against giving up smoking because even non smokers get lung cancer, should know about – smokers and non smokers get different kinds of lung cancer, according to a new study.

According to Kelsie Thu, Ph.D. candidates at the BC Cancer Research Center in Canada, there are twice as many DNA changes among tumors of non smokers than there are in the tumors of smokers.


The kinds of tumors are different because they follow different molecular pathways. Non smokers (people who have never smoked) could have other carcinogens that causes their tumors to have more DNA alterations and which encourages development of the cancer.


The implications of this study may result in different treatments being developed for the respective kinds of lung tumors. There may now be a better understanding of the biology that underlies the lung cancer development and eventually result in better diagnosis and more focused treatment.


So if you are a smoker and often argue against giving up smoking by saying that non – smokers also get lung cancer and that not smoking is not a guarantee against getting lung cancer, then think again.

Source: HealthWatchCenter

More? Other Cancer Articles

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In chemistry, an alkali (from Arabic: Al-Qaly القلي, القالي ) is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water. A solution of a soluble base has a pH greater than 7. The adjective alkaline is commonly used in English as a synonym for base, especially for soluble bases. This broad use of the term is likely to have come about because alkalis were the first bases known to obey the Arrhenius definition of a base and are still among the more common bases.


An acid (from the Latin acidus/acēre meaning sour[1]) is a substance which reacts with a base. Commonly, acids can be identified as tasting sour, reacting with metals such as calcium, and bases like sodium carbonate. Aqueous acids have pHs of less than 7, and turn blue litmus paper red. Chemicals or substances having the property of an acid are said to be acidic.
Common examples of acids include acetic acid (in vinegar), sulfuric acid (used in car batteries), and tartaric acid (used in baking). As these three examples show, acids can be solutions, liquids, or solids. Gases such as hydrogen chloride can be acids as well.

There are three common definitions for acids: the Arrhenius definition, the Brønsted-Lowry definition, and the Lewis definition. The Arrhenius definition states that acids are substances which increase the concentration of hydronium ions in solution. The Brønsted-Lowry definition is an expansion: an acid is a substance which can act as a proton donor. Most acids encountered in everyday life are aqueous solutions, or can be dissolved in water, and these two definitions are most relevant. The reason why pHs of acids are less than 7 is that the concentration of hydronium ions is greater than 10 × 10−7 moles per liter. Since pH is defined as the negative logarithm of the concentration of hydronium ions, acids thus have pHs of less than 7. By the Brønsted-Lowry definition, any compound which can easily be deprotonated can be considered an acid. Examples include alcohols and amines which contain O-H or N-H fragments.

In chemistry, the Lewis definition of acidity is frequently encountered. Lewis acids are electron-pair acceptors. Examples of Lewis acids include all metal cations, and electron-deficient molecules such as boron trifluoride and aluminium trichloride. Hydronium ions are acids according to all three definitions. Interestingly, alcohols and amines mentioned above as examples of Brønsted-Lowry can function as Lewis bases at the same time.

To know more on the alkaline foods & emotions click here

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Breast lumps have a bad reputation to say the least. They instantly invoke fears of deadly disease, of long sessions of chemo ending in debility and hair loss, or surgery and excruciating pain.

However, not every woman who has a breast lump detected needs to fear the worst. Many breast lumps are benign a

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