Cancer news and cancer widget

Now that there is convincing evidence that changes in everyday behaviors can reduce the chances of cancer, a panel of leading scientists met today to discuss the barriers to behavior change. The panel on behavior change and cancer was part of the Annual Research Conference on Food, Nutrition, Physical Activity and Cancer, hosted by the American Institute for Cancer Research (AICR) in Washington, DC. Changing Behaviors: Many Theories John P.

The association between vitamin D and cancer risk is one of the most studied, most complex and most controversial issues in nutrition science. Today, at a major scientific conference on diet and cancer, a panel of vitamin D experts weighed in, and presented evidence that sought to provide some clarity.

Today, at the annual research conference of the American Institute for cancer Research (AICR), a panel of leading scientists discussed the state of the evidence on dietary supplements and their effects on cancer risk. Dietary supplements are a $22 billion industry in the US; every day, millions of Americans avail themselves of vitamin, mineral or herbal supplements in an effort to boost their health.

(University of California - San Diego) Scientists have thought that one way to foil a tumor from generating blood vessels to feed its growth -- a process called angiogenesis -- was by creating drugs aimed at stopping a key vessel growth-promoting protein. But now the opposite seems to be true.

Reuters - A technique using a tiny glass window implanted on the skin of a mouse allows scientists to track individual cancer cells as they spread and attack other parts of the body, according to a study published on Sunday. This window could one day play a big role in analyzing how well developmental drugs block cancer from spreading, said Jeffrey Segall, a researcher at the Albert Einstein college of medicine of Yeshiva University in new york.

(University of Chicago Medical Center) The 20th annual conference of the MacLean Center for Clinical Medical Ethics at the University of Chicago will honor the Center's founder and director, Mark Siegler, M.D., and examine his work and influence on the field.

(University of California - San Diego) Dense networks of blood vessels thought to spur cancer's growth could actually hinder rather than promote tumor progression. The findings partly explain why drugs designed to treat cancer by strangling its blood supply have been disappointing when used alone and why those treatments are more effective when combined with traditional chemotherapy. Despite their rapid progression, tumors fed by more normal vascular were also more vulnerable to the effects of standard chemotherapy drugs.

Editor's Note: This story, originally printed in the July 2007 issue of Scientific American, is being posted in light of two new studies showing that angiogenesis inhibitors, discussed in this article, may actually make tumors bigger, not smaller.More than 500 million years ago a set of specialized enzymes and proteins evolved to defend our primitive ancestors against assaults from the outside world. If a microbe breached the shell of some Cambrian-era fauna, the members of this early vintage immune system would stage a savage but coordinated attack on these interlopers--punching holes in cell walls, spitting out chemical toxins or simply swallowing and digesting the enemy whole. Once the invaders were dispatched, the immune battalion would start to heal damaged cells, or if the attacked cells were too badly damaged it would put them to rest. [More]

A major study conducted by the Womens health Initiative claims the use of hormone replacement therapy to relieve menopausal symptoms greatly increases the risk of breast cancer and other types...

Legendary actress and singer Eartha Kitt has died of colon cancer at the age of 81. She is best known for her holiday hit "Santa Baby" and her Catwoman role...