What are carcinogens?

Chemicals causing Ca. The chemicals that cause cancer are called Carcinogens. It is often based on animal experiments, but some of these drugs actually cause cancers in Humans too even at small doses as compared to the much large doses required to create a cancer in the animals. So there is a dose below which many such chemicals used as food or drugs can be safely used in Humans.

Related Questions

How do I know exactly what is carcinogenic about tobacco smoke?

Tobacco. Tobacco smoke is a toxic and carcinogenic mixture of more than 5, 000 chemicals. Many of them are well known to increase one's risk to develop cancer or associated with development of cancer. Check this to see the list of carcinogen in cigarette .http://en.wikipedia.org/wiki/list_of_cigarette_smoke_carcinogens. Read more...

Can anyone explain what carcinogen is?

Chemical and physica. A carcinogen is any chemical of physical agent that can damage the dna or promote cell growth. Examples are tobacco, alcohol, benzene, arsenic, some microbes and their products, x-ray, hormones, drugs etc. Carcinogen is not one chemical or agent. There effects are often synergistic in a bad way. Read more...

What types of carcinogens are commonly found in tobacco smoke?

Chemical and radiati. There are hundreds of chemical carcinogens in tobacco smoke and a radio-isotope of polonium that all contribute to development of cancer. Read more...

What are some carcinogens that we encounter on a daily basis that we should try to avoid? Or that we should just try not to have too much exposure?

Riskiest: tobacco. There are too many to list, but some big ones that you can choose to avoid are tobacco products and UV light. There may be some carcinogens in food additives, but these are small and largely effectively regulated by the FDA. Industrial toxins and carcinogens can also be a concern, but this is one of the ways the EPA helps us. Your own advice is best: limited exposure vs. total avoidance:) Read more...
DNA damage may occur. ... from a variety of natural sources in the environment. Things like cosmic rays which ionize water molecules can not easily be avoided. Things that are avoidable include cigarette smoke, air pollution, asbestos, and indoor radon gas. Some chronic infections can cause cancer if untreated, including HIV, and hepatitis B or C. Read more...
Tobacco, ultraviolet. These are the two that you can reasonably avoid. Don't smoke, and use sunscreen. Alcohol is a relatively minor risk if used in excess. Protected / monogamous sex shield you from much more, but HPV is a real cancer causer. Most "pop" claims about this-or-that causing cancer are junk-science and you simply can't avoid most of them anyway. Background radioactivity is unavoidable. Read more...

What has more carcinogens: marijuana or tobacco?

Tobacco. It has been intensely studied, but the lack of studies does not mean there is no risk to inhaling weed, the risk is just less well known and less well proven. The demonizing of marijuana as an 'entry drug' may be true in those susceptible, but it also has led to difficulties studying its effects, . Read more...

What is a carcinogen tha may cause colon cancer?

Red meat. A diet low in vegetables and high in red meat, increases colon cancer risk. Your mom was right; eat your broccoli! Read more...
Not known. The nature of carcinogen(s) that cause colon cancer is not known. Incidence of colon cancer is higher with increased intake of fats and low intake of dietary fiber. Read more...

What carcinogens can cause heart cancer?

None identified. In almost four decades in pathology, i've never heard of a chemical that causes that rarest of rare primary cancers -- primary cardiac cancer, usually an angiosarcoma. In fact, i'm the discoverer of one of the rare heart tumors. Therapeutic radiation is the one carcinogen i'd think could increase the risks for the angiosarcs, but i couldn't find a series to confirm this. Read more...