MedicineWorld.Org
Your gateway to the world of medicine
Home
News
Cancer News
About Us
Cancer
Health Professionals
Patients and public
Contact Us
Disclaimer

Medicineworld.org: Archives of cancer-blog


Go Back to the main cancer-blog

Subscribe To Health Blog RSS Feed  RSS content feed What is RSS feed?

Archives Of Cancer-blog From Medicineworld.Org


May 29, 2007, 11:52 PM CT

Dentists need more training in oral cancer detection

Dentists need more training in oral cancer detection
More than 92 percent of Illinois dentists provide oral cancer examinations for their patients, but a number of are not performing the procedures thoroughly or at optimum intervals, as per a new University of Illinois at Chicago study.

With an incomplete understanding of the nature of pre-cancerous lesions and of proper examination techniques, some dentists in Illinois "are not doing all they should be doing to detect oral cancers in their patients," said Charles LeHew of the UIC Cancer Center's Center for Population Health and Health Disparities and the Institute for Health Research and Policy.

More than 500 dentists in 19 Illinois counties responded to the 38-item questionnaire that was used to gauge the extent of their knowledge of oral cancer prevention and early detection. A greater than 60 percent response rate indicated that Illinois dentists "take seriously their important role in addressing the state's oral cancer burden," said LeHew, who was the lead researcher of the study.

As per LeHew, the majority of dentists correctly identified squamous cell carcinoma, the most common form of oral cancer, as well as the most common sites for oral cancer and the most-common types of early lesions. A number of, however, were not able to answer those questions correctly.........

Posted by: Janet      Read more         Source


May 25, 2007, 3:33 PM CT

Telephone 'Quitlines' To Stop Smoking

Telephone 'Quitlines'  To Stop Smoking
Dentists may be able to help their patients stop smoking by referring them to tobacco-use telephone "quitlines," as per a pilot study reported in the recent issue of The Journal of the American Dental Association (JADA).

Dentists who intervene with patients to help them stop using tobacco can play a significant role in decreasing tobacco-related illness and death. However, providing support for such patients requires time and resources that oral health care professionals may not always have. So, scientists at the Mayo Clinic College of Medicine, Rochester, Minn., identified the need to conduct a pilot study to evaluate whether the speedier measure of referring patients to tobacco-use quitlines was also effective in helping patients stop smoking.

The authors randomly assigned eight general dental practices in Minnesota to provide either brief counseling regarding smoking cessation or brief counseling along with referrals to a tobacco-use quitline for patients who reported that they were currently smoking cigarettes.

Of 82 patients, 60 were referred to the tobacco-use quitline and 22 received only brief counseling. At six months, 25 percent of the patients in the quitline group and 27.3 percent of the patients in the brief-counseling group had abstained from tobacco use. Abstinence rates among patients in the quitline group rose if those patients completed more telephone consultations.........

Posted by: Janet      Read more         Source


May 23, 2007, 8:21 PM CT

Benefits Of Aspirin To Prevent Colon Cancer

Benefits Of Aspirin To Prevent Colon Cancer
A colon cancer researcher at the Ireland Cancer Center of University Hospitals Case Medical Center (UHCMC) has laid out the roadmap for how medical science should employ aspirin and new aspirin-like drugs for use in preventing colon cancer in certain high-risk individuals.

In today's New England Journal (NEJM), Sanford Markowitz, MD, PhD, writes an editorial accompanying research from Dr. Charles Fuchs' team at Harvard Medical School that lays out the hypothesized mechanism by which the use of aspirin and nonsteroidal anti-inflammatory drugs (NSAIDs), also called COX-2 inhibitors, act to decrease the risk of developing colon cancer.

"The compelling evidence that chronic use of aspirin or certain NSAIDS can substantially lower the risk of colon cancer has important implications, particularly because colon cancer is the second leading cause of cancer death," writes Dr. Markowitz, the Francis Wragg Ingalls Professor of Cancer Genetics at UHCMC and Case Western Reserve University School of Medicine.

In the Journal article, the Harvard researchers' findings demonstrated that two-thirds of colon cancers have high levels of expression of the COX-2 enzyme, which is blocked by aspirin. Individuals who regularly used aspirin over a course of several years demonstrated a 36% decrease in the risk of developing one of these high COX-2 expressing colon cancers. These results again demonstrated that drugs that block COX-2 can decrease the risk of colon cancer, and demonstrated that such drugs specifically target those individuals whose tumor development is encouraged by the action of the COX-2 enzyme.........

Posted by: Janet      Read more         Source


May 22, 2007, 9:50 PM CT

Stem cells provide clues to cancer spread

Stem cells provide clues to cancer spread
Researchers have made a breakthrough in understanding how cancers spread in what could lead to new ways of beating the disease.

The University of Manchester study used embryonic stem (ES) cells to investigate how some tumours are able to migrate to other parts of the body, which makes the therapy of cancer much more difficult.

Dr Chris Ward, in the Universitys Faculty of Medical and Human Sciences, studied a crucial change that makes cancer cells able to start moving and spread into other tissues.

Normal cells, as well as early cancer cells, are called epithelial cells because they bind tightly to each other forming stable layers of tissue. However, as a tumour becomes more advanced, some of the cells change to become mesenchymal.

Mesenchymal cells do not bind to each other, forming more disorganised tissues in which the cells can move around. Since this crucial change known as the epithelial-mesenchymal transition, was first observed in the early embryo, Dr Ward theorised that embryonic stem cells might undergo a similar process.

Dr Ward, whose findings appear in the journal Molecular Biology of the Cell, said: "We have shown that ES cells spontaneously change in a manner that is remarkably similar to the epithelial-mesenchymal transition. They lose the proteins that cells use to bind to each other and have other protein alterations that are characteristic of spreading cancer cells.........

By: Kottapurath Kunjumoideen MD      Read more         Source


May 21, 2007, 12:33 AM CT

Cancer Cells Can Be Targeted And Destroyed Using Lasers

Cancer Cells Can Be Targeted And Destroyed Using Lasers
A nanocomposite particle can be constructed so that it has a mix of properties that would not otherwise happen in nature. By combining an organic matrix with metallic clusters that can absorb light, it is possible to incorporate such particles into cells and then destroy those targeted cells with a laser. In a presentation at the NSTI Nanotech 2007 Conference, scientists describe work conducted at the NanoBiotechnology Center, Department of Radiation Medicine, Roswell Park Cancer Institute, Buffalo, NY and the University of Michigan, Ann Arbor, MI, regarding the creation and characterization of a dendrimer nanocomposite (DNC) matrix containing silver clusters that can be used to target and destroy melanoma cancer cells.

Composite NanoDevices (CNDs), are an emerging class of hybrid nanoparticulate materials. CNDs are made from dendrimer-based polymers, for example from poly(amidoamine) [(PAMAMs)].

To visualize the device, Dr. Lajos P. Balogh says simply think of nanoscale, dense, but soft "tumbleweed," where clusters of inorganic materials (such as silver) can be trapped inside. The CND "tumbleweed" device can be made in discrete sizes, carry different electric charges and can encapsulate different materials inside. This design offers scientists a wider choice of size, surface functionality and payload than traditional small in vivo devices where the agent is conjugated directly to the surface.........

Posted by: Janet      Read more         Source


May 21, 2007, 11:38 AM CT

Vitamin Supplements Don't Protect Against Lung Cancer

Vitamin Supplements Don't Protect Against Lung Cancer
A study of more than 75,000 adults observed that taking supplemental multivitamins, vitamin C and E and folate do not decrease the risk of lung cancer. The findings are being reported at the American Thoracic Society 2007 International Conference, on Monday, May 21.

The study, which also did not find any increased lung cancer risk from the supplements, is one of the most detailed, prospective findings based on observation to look at the effect of vitamin supplements instead of vitamins from foods on lung cancer risk.

People are spending billions of dollars on supplements, and there is a general sense in the population that they prevent cancer, said researcher Chris Slatore, M.D., of the University of Washington School of Medicine in Seattle. We need to find out if theyre helpful or even harmful.

The 77,738 men and women in the VITamins And Lifestyle (VITAL) study, ages 50-76, filled out an extensive questionnaire on vitamin intake over the prior 10 years, including how much of each supplement they took. The scientists then checked to see how a number of of the people in the study had lung cancer, using a government cancer registry. They found 393 cases of lung cancer. Adjusting for such risk factors as smoking, age, sex, cancer history, other lung disease and history of lung cancer, they found no statistically significant relationships between different types of supplements and lung cancer.........

Posted by: Scott      Read more         Source


May 21, 2007, 10:48 AM CT

Persistent Smokers May Have Higher Risk Of Depression

Persistent Smokers May Have Higher Risk Of Depression
Based on a Finnish study, persistent smokers may have higher risk to become depressed compared to never smokers. Also those smokers who quit have an elevated risk of depressive symptoms in short run. However, in long run this risk declines to the level of never smokers. In other words, both completely smoke-free life style and successful smoking cessation in long run seem to protect from depressive symptoms.

It is known that depression is linked to cigarette smoking, but the nature of this association is discussed under various hypotheses. First, as per the so called self-medicine hypothesis, those who suffer from depressive symptoms smoke cigarettes in order to alleviate their symptoms. As per the second assumption, chronic persistent smoking may have a role in the etiology of depression. The third hypothesis suggests that there is a reciprocal mechanism between smoking and depression. The fourth hypothesis says that there are shared underlying genetic factors explaining this co-morbidity.

This study conducted in the Department of Public Health at the University of Helsinki explored, which of those assumptions would be supported by the data, when smoking behavior and changes in it is considered as a predictor of depressive symptoms. The scientists had access to the data collected within the Finnish Adult Twin Cohort Project. There were about four thousand male and five thousand female twins, whose health and health behavior were followed-up through 15 years.........

Posted by: JoAnn      Read more         Source


May 21, 2007, 10:45 AM CT

Keeping pain and fatigue on the run

Keeping pain and fatigue on the run
Women diagnosed with breast cancer should either get exercising or keep exercising. This is the message from a new study in Springer's Journal of Cancer Survivorship by Catherine Alfano and his colleagues at the Ohio State University1. The study of over 500 women who had survived breast cancer highlights how physical activity, and more specifically the intensity and amount of physical activity you do before and after cancer therapy, can affect future symptoms and your quality of life.

Cancer symptoms and those brought on by its therapy can have a huge impact on everyday life. Physical symptoms usually include fatigue, post-surgery pain, hormone-related symptoms in-cluding hot flashes, sweats, palpitations, urinary incontinence and cognitive and mood changes. Psychological effects such as anxiety and depression are also common. Physical symptoms exacerbate anxiety as they are a constant reminder of the cancer and add to the worry about whether it will recur. Some of these symptoms are seen in cancer survivors as long as 20 years after the cancer has gone.

Participants in this study from New Mexico and western Washington were asked to score their lev-els of pain and physical sensation, hormone-related symptoms, sexual interest/dysfunction, fatigue and physical health-related quality of life at 6, 29 and 39 months post-diagnosis. They were also asked to quantify their physical activity levels based on household activity, moderately vigorous activity, vigorous activity and sports/recreational activity at these times. The authors expected to see higher levels of activity being correlation to fewer physical symptoms and higher health-related quality of life.........

Posted by: Janet      Read more         Source


May 17, 2007, 5:19 AM CT

Fatalistic beliefs about cancer

Fatalistic beliefs about cancer
If you feel that you are fated for cancer, your belief could turn into a self-fulfilling prophecy. As per a national survey of more than 6,000 U.S. adults reported in the recent issue of Cancer Epidemiology, Biomarkers & Prevention, a substantial number of American adults hold fatalistic beliefs about cancer and are correspondingly less likely to take basic steps to lower their cancer risk, such as exercising, quitting smoking and eating a healthy diet rich in fruits and vegetables.

The study, which analyzes data from the National Cancer Institutes Health Information National Trends Survey, is the first national survey in almost 20 years to assess Americans knowledge about and attitudes toward cancer prevention. The findings have implications for cancer education efforts.

"A number of Americans seem to feel afraid and helpless in regards to cancer, which may be exacerbated by conflicting news reports and a general lack of education on the causes and prevention of cancer," said Jeff Niederdeppe, Ph.D., professor at the University of Wisconsin, Madison. "They say well, there is nothing much you can do about it and, as our survey shows, they indeed do nothing about it".

The survey asked respondents if they agreed with three statements about cancer. About 47 percent of those surveyed agreed with the statement that "It seems like almost everything causes cancer," while 27 percent agreed that "Theres not much people can do to lower their chances of getting cancer." Moreover, 71.5 percent of American adults agreed that "There are so a number of recommendations about preventing cancer, its hard to know which ones to follow".........

Posted by: Janet      Read more         Source


May 15, 2007, 11:16 PM CT

Boiling Broccoli Ruins Its Anti Cancer Properties

Boiling Broccoli Ruins Its Anti Cancer Properties
Scientists at the University of Warwick have observed that the standard British cooking habit of boiling vegetables severely damages the anticancer properties of a number of Brassica vegetables such as broccoli, Brussel sprouts, cauliflower and green cabbage.

Past studies have shown that consumption of Brassica vegetables decreases the risk of cancer. This is because of the high concentration in Brassicas of substances known as glucosinolates which are metabolized to cancer preventive substances known as isothiocyanates. However before this research it was not known how the glucosinolates and isothiocyanates were influenced by storage and cooking of Brassica vegetables.

The researchers, Prof Paul Thornalley from Warwick Medical School at the University of Warwick and Dr Lijiang Song from the University of Warwick's Department of Chemistry bought Brassica vegetables, (broccoli, Brussel sprouts, cauliflower and green cabbage) from a local store and transported them to the laboratory within 30 minutes of purchasing. The effect of cooking on the glucosinolate content of vegetables was then studied by investigating the effects of cooking by boiling, steaming, microwave cooking and stir-fry.

Boiling appeared to have a serious impact on the retention of those important glucosinolate within the vegetables. The loss of total glucosinolate content after boiling for 30 minutes was: broccoli 77%, Brussel sprouts 58%, cauliflower 75% and green cabbage 65%.........

Posted by: Janet      Read more         Source



Older Blog Entries   1   2   3   4   5   6   7   8   9   10   11   12   13   14   15   16   17   18   19   20   21   22   23   24   25   26   27   28   29   30   31   32   33   34   35   36   37   38   39   40   41   42   43   44   45   46   47   48   49   50   51   52   53   54   55   56   57   58  

Cancer
Cancer is a very common disease, approximately one out of every two American men and one out of every three American women will have some type of cancer at some point during the course of their life. Cancer is more common in the elderly and 77 percent of cancers occur in people above age 55 or older. Cancer is also common in children. Cancer incidence is said to have two peaks once during early childhood and then during late years in life. No age period is completely exempted from development of cancers. Some cancers occur predominantly in the elderly, other types occur in children, Cancer occurs in all ethnic races, however the cancer rates and rates of specific cancer types may vary from group to group. Late stages of cancer may be incurable in most cases, but with the advancement of medicine, more and more cancers are becoming curable.

Medicineworld.org: Archives of cancer-blog

Main Page| Cancer blog| Cancer blogs list| Lung cancer blog| Colon cancer blog| Prostate cancer blog| Breast cancer blog| Diabetes watch blog| Heart watch blog| Allergy blog| Bladder cancer blog| Cervical cancer blog| Colon cancer news blog| Diabetes news blog| Esophageal cancer blog| Gastric cancer blog| Health news blog| Heart news blog| Infectious disease blog| Kidney watch blog| Lung disease blog| Lung cancer news blog| Mesothelioma blog| Neurology blog| Breast cancer news blog| OBGYN blog| Ophthalmology blog| Ovarian cancer blog| Cancer news blog| Pancreas cancer blog| Pediatrics blog| Prostate cancer news blog| Psychology blog| Research blog| Rheumatology blog| Society news blog| Uterine cancer blog| Weight watch blog|

Copyright statement
The contents of this web page are protected. Legal action may follow for reproduction of materials without permission.