ScienceDaily: Top Health News

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• New prostate cancer screening guidelines face a tough sell, study suggests
• Tongue analysis software uses ancient Chinese medicine to warn of disease
• Skp2 activates cancer-promoting, glucose-processing Akt
• Why humans don't smell as well as other mammals: No new neurons in the human olfactory bulb
• Women trying to have babies also need to think about circadian clock

New prostate cancer screening guidelines face a tough sell, study suggests Posted: 26 May 2012 04:13 PM PDT Recent recommendations from the US Preventive Services Task Force advising elimination of routine prostate-specific antigen screening for prostate cancer in healthy men are likely to encounter serious pushback from primary care physicians, according to results of a new survey.

Tongue analysis software uses ancient Chinese medicine to warn of disease Posted: 26 May 2012 04:13 PM PDT Researchers have developed computer software that automatically analyzes images of the tongue, one of the measures used to classify the overall physical status of the body, or zheng, in Chinese traditional medicine.

Skp2 activates cancer-promoting, glucose-processing Akt Posted: 26 May 2012 04:12 PM PDT E3 ligase's role makes it target for defeating Herceptin resistance, stifling cancer's preferred diet.

Why humans don't smell as well as other mammals: No new neurons in the human olfactory bulb Posted: 24 May 2012 06:22 AM PDT The human olfactory bulb – a structure in the brain that processes sensory input from the nose – differs from that of other mammals in that no new neurons are formed in this area after birth. The discovery is based on the age-determination of the cells using the carbon-14 method, and might explain why the human sense of smell is normally much worse than that of other animals.

Women trying to have babies also need to think about circadian clock Posted: 23 May 2012 05:07 PM PDT A new study shows that the biological clock is not the only clock women trying to conceive should consider. The circadian clock needs attention, too. The findings draw a clear line between disrupted circadian rhythms and reproductive physiology. The researchers are the first to show that if you disrupt the circadian clock environmentally in mice, with repeated changes in their light-dark cycles, there are problems with pregnancy outcomes. And the effect can be dramatic.

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