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A large team of South Korean researchers has developed a possible blood test to detect the early stages of Alzheimer's disease in patients who have yet to exhibit symptoms. 

Targets to eliminate pain after surgery have driven increases in the use of opioids and are a major cause of the opioid crisis in the US, Canada and other countries, according to a series of articles published in The Lancet, bringing together global evidence detailing the role of surgery in the opioid crisis. 

The US is currently in the grip of a well-publicised opioid crisis that has devastated communities across the country. Now nurses in New York are using geospatial mapping of opioid overdoses to inform clinical practice at a local clinic level in “real time”. 

Stress-related disorders may be linked to a heightened risk of cardiovascular disease (CVD), according to a large Swedish study, “Stress related disorders and risk of cardiovascular disease: population based, sibling controlled cohort study”, published in The BMJ.

A disease that causes chronic headaches and even blindness in women, and has puzzled researchers for more than 100 years, may be caused by excess androgens, particularly testosterone, that modulate secretion of cerebrospinal fluid (CSF), UK researchers have discovered.

The values and preferences of critically ill patients are often not addressed when doctors are discussing their care with family members, according to a study that suggests there's plenty of room for improvements in communication.

Registered nurses are too often viewed as task completers rather than as being critical to safety. Despite repeated evidence showing a relationship between nurse staffing and patient safety, researchers have found that this had “little impact on policy”.

A five-minute delay in the clamping of healthy infants’ umbilical cords results in increased iron stores and brain myelin in areas important for early-life functional development, a new US nursing study has found. In their study of 73 infants, nurse researchers said their results challenge the common practice of immediate umbilical cord clamping.