CHARLES E. BEMIS, M.D.

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This study looked at how rat leg muscles produce force while moving at different speeds. Researchers used a new method called the 'avatar' approach to better understand how the muscle behaves in real-life movement, finding that factors like muscle length and stimulation significantly impact the muscle's performance. They achieved strong predictions of muscle force with their method, showing a correlation of 80-96%, but still found it difficult to predict the overall work done by the muscles during movement. Who this helps: Patients with muscle disorders and doctors treating them can benefit from this research.

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This study explored how muscles work during quick changes in movement, using a new technique called "avatar" to examine how muscle behavior aligns with natural muscle mechanics when the body is in motion. The researchers found that by mimicking how muscles stretch and contract in real life, they could get more accurate predictions of muscle force and work done during different activities. This is important because it can help improve our understanding of muscle function and enhance treatments or training strategies for injuries or performance. Who this helps: Patients recovering from muscle injuries and sports professionals.

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This study examined rising infant mortality rates in the Antelope Valley region of Los Angeles County, which increased from 5.0 to 10.6 deaths per 1,000 live births between 1999 and 2002, with African American infants facing an even higher rate of 32.7 deaths per 1,000 live births. The research identified key factors contributing to these deaths, such as maternal health issues, late prenatal care, and unsafe conditions for infants, and led to community efforts that improved support for high-risk mothers and increased awareness about infant safety. The findings highlight the importance of analyzing local health data and engaging the community to effectively address and reduce infant mortality. Who this helps: This benefits mothers and infants, especially those in vulnerable communities.

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This study examined how commercial sex venues affect the spread of syphilis and HIV among men who have sex with men (MSM). It found that 26% of MSM with syphilis had sexual encounters at these venues, and among them, 74% were already HIV positive, 94% engaged in anonymous sex, and 66% did not use condoms. This is important because those who encountered partners at commercial sex venues were more likely to have unsafe sex and higher rates of HIV, highlighting the venues as key areas for addressing these health issues. Who this helps: This helps patients and healthcare providers focus on safer sexual practices and interventions in commercial sex settings.

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Researchers studied shrews in northern Wisconsin to see if they carried the fungus Blastomyces dermatitidis, which can cause disease in humans. They collected 60 shrews and other small mammals from areas where the fungus is known to exist but found no evidence of the fungus in any of the animals. This matters because it helps clarify the ecological role of this fungus and suggests that shrews are not contributors to its transmission. Who this helps: This helps researchers and public health officials understand the spread of Blastomyces dermatitidis.

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This study looked at how men who have sex with men (MSM) in Los Angeles County use the Internet to find sex partners when they are diagnosed with early syphilis. It found that these internet users are more often white, engage in higher-risk sexual behaviors like anonymous sex and drug use, and are significantly likely to be influenced by these factors. For example, white race made them 2.8 times more likely to seek partners online, and those who have anonymous partners were 3.4 times more likely to do the same. This is important because it highlights the need for targeted health interventions online to help reduce the spread of sexually transmitted infections among high-risk groups. Who this helps: This helps patients, especially MSM at risk of sexually transmitted infections.

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This research paper looks at how psychological factors, like emotions and coping styles, might influence the development and progression of cancer. The findings indicate that, while there is some evidence suggesting these factors could be related to cancer, no clear connections have been proven yet. It also highlights that therapy can provide medical and emotional benefits for cancer patients. Who this helps: This helps patients undergoing cancer treatment.

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This study looked at a method for measuring how well the heart pumps blood, called ejection fraction, using a technique that involves cooling (thermal dilution) in dogs and humans. The researchers found that their thermal method produced consistent results, with a variability of only 5%. This method showed a strong agreement with an established method using radioactive tracing, which makes it a reliable and cost-effective option for monitoring severely ill patients' heart function. Who this helps: This benefits doctors and critically ill patients by providing a more accessible way to monitor heart function.