الأحد، 20 أكتوبر 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


'Phenotype switching' can make melanoma become metastatic, resistant to drugs

Posted: 18 Oct 2013 05:36 PM PDT

One of the challenges of understanding cancer is trying to determine the mechanisms that drive metastasis, or the process by which tumor cells are able to spread throughout the body. Researchers describe how melanoma tumors use "phenotype switching" -- changing their outward appearance -- can result in melanoma cells that are highly invasive and more resistant to therapy.

Skid row cancer study has implications for treatment

Posted: 18 Oct 2013 05:36 PM PDT

An ethically dubious medical research study from the 1950s and 60s, known as the "Bowery series," foreshadowed and shared commonalities with prostate cancer screening and treatment measures as they are carried out today, argues a physician and historian.

New study finds spike in sugary drink consumption among California adolescents

Posted: 18 Oct 2013 10:23 AM PDT

While consumption of soda and other sugary drinks among young children in California is starting to decline, a new study released shows an alarming 8 percent spike among adolescents, the biggest consumers of these beverages.

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