Health & Fitness

Researchers have found that pharmacy benefit managers (PBMs) -- organizations that negotiate access to medicines for most patients in the United States -- steer patients to use their own pharmacies. However, these pharmacies appear less used in Medicare than in other market segments. These PBMs are part of integrated health care conglomerates that own insurance companies and pharmacies, which may create conflicts of interest.

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Researchers find cell migration doesn't only rely on generating force. A professor of mechanical engineering and materials science found that groups of cells moved faster with lower force when adhered to soft surfaces with aligned collagen fibers.

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A new study reveals evidence of electrical signaling and coordinated behavior in choanoflagellates, the closest living relatives of animals. This elaborate example of cell communication offers key insights into the early evolution of animal multicellularity and nervous systems.

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An international team of UK and US scientists discovered that the activity of macrophages -- a type of white blood cell that engulf pathogens and cancer cells -- can be used to predict whether or not a melanoma patient will respond to immunotherapy. Their findings will help clinicians select treatments that are most likely to be effective for their patients.

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A research team has discovered intricate molecular mechanisms driving the RNA processing defects that lead to Huntington's disease and link HD with other neurodegenerative disorders such as amyotrophic lateral sclerosis, frontotemporal lobar dementia and Alzheimer's disease.

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People who care for both their children and older family members -- also known as 'sandwich carers' -- suffer from deterioration in both their mental and physical health over time, finds a new study.

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Researchers at discovered a critical vulnerability in drug-resistant bacteria: zinc -- or a lack thereof.

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