Carcinogen

Cancer is defined as the disease that causes division of abnormal cells uncontrolled. Cancer is responsible for one out of every five deaths in the United States. It is second only to heart disease as a cause of death in this country (“Cancer”). Cancer is not just one disease, but a group of almost one hundred diseases. Every year, millions of people are diagnosed with cancer. Out of those numbers 500,000 are expected to die of this disease (“Advance”). An average of 1/2 of men and 1/3 of women…

For hundreds of years, tobacco has been considered to be the major commodity in the world. Many people find smoking to be an alternative solution to release stress or as temporary, friendly company. Many governments are building hospitals, schools, and other public services from the taxes they impose on the tobacco industry. Despite the benefits, most people know that cigarettes are dangerous, but they do not really understand their harmful effect. Smoking cigarettes should be banned for health…

Is following the crowd thinking that there is safety in numbers the right thing to do? Many times in society people are seen purchasing and wearing clothing of elite brands, not because they enjoy the appearance but rather since the brand has been deemed as elusive and a status symbol. Aspects of society have been deemed with a dogma of either being good or bad by the public and people do not see below the surface to see decide if whether following the crowd is the best choice. This action can…

Most recreational smoking starts at the age eighteen, but the majority of teens who do smoke, do not know the consequences. In the 15th and 16th centuries, the Native Americans smoked tobacco for medical and religious purposes. Yet, they did not smoke every day for recreation. Tobacco first really became known when European explorers witnessed this, they then returned with a new found drug. Later the drug was adopted by the rich and poor as their drug of choice. They chose it to be their drug of…

[3], habits such as smoking [4], drinking alcohol[5], diet [6], and Helicobacter pylori . Approximately 15% of stomach cancer has been linked with H. pylori’s stomach colonization [7]. As a result, Helicobacter pylori has been classify as a direct carcinogen agent towards humans due to the fact that it’s virulence presents a high risk for cancer development [8]. Helicobacter pylori is a motile gram-negative, curved, microaerophilic bacteria that has the ability to colonize and sustain its…

About 480,000 Americans die from smoking-related diseases each year, in the United States. Smoking is legal in all 50 states, when its the leading preventable cause of death in the country. Congress prohibits the states from making any new legislation; which act to diminish the big cigarette and tobacco industries, due to its best-connected people in Washington and it’s huge role it plays in the U.S economy. The United States Government must impose a complete ban on all cigarette and tobacco…

Alkylated polycyclic aromatic compounds (alkyl-PACs) are the major aromatic constituent of total PAH in crude oil and originated from incomplete combustion process. Whereas benzo[a]pyrene (BaP) is a well-known human carcinogen, dibenzothiophene (DBT) and retene (Ret) are not; however, all three compounds are important environmental pollutants. Their toxicity is not yet characterized. In this study, we used BaP (parent PAH), DBT and Ret (alkyl-PACs) to elucidate the mechanism of neurotoxicity…

Smoking is not something that is new to this world, whether it was for ritual or recreational purposes, but what has been smoked and our certainty of its effects are fairly new. What is certain is we are unsure of the exact origin within a range of thousands of years, but smoking could have started any moment after man discovered fire. The popularity of smoking has allowed it to survive for so long. Negative connotations have only been applied to smoking since debunking one former surgeon…

Some ingredients have been shown to have dangerous short term and long term effects on the body, but their use is still not prohibited by the FDA. Formaldehyde was classified by the International Agency for Research on Cancer as “a probable human carcinogen, an agent for which there is sufficient evidence of carcinogenicity” and some preservatives frequently used in cosmetics are known to release formaldehyde into the body (Overall). Parabens are another family of chemicals often used as…

3.1. Types of solar cells There are 3 main types of commercially available cells: 3.1.1Mono crystalline Silicon PV& Polycrystalline Silicon PV The occupational health issues are associated to chemical burns and inhalation of fumes from hydro fluoric acid (HF) and other solutions of acids (e.g., HNO3) and alkalis (e.g., NaOH) used for cleaning wafers ,removing complete oxide layer, and cleaning the reactor. Performing the slicing of wafers also results in solid waste for example (e.g.,…