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Blood, Heart and Circulation

Lead in kids’ blood linked with behavioral and emotional problems

Emotional and behavioral problems show up even with low exposure to lead, and as blood lead levels increase in children, so do ...

Mayo expert reacts to new guidelines on abdominal aortic aneurysm screening

The U.S. Preventive Services Task Force released recommendations Tuesday on which symptom-free patients should be screened for abdominal aortic aneurysms, potentially deadly ...

New Stanford blood test identifies heart-transplant rejection earlier than biopsy can

Elevated levels of donor-derived DNA in the blood of heart transplant recipients can accurately diagnose organ rejection. ... Full story

Penn Medicine Study Shows "Clot-Busting" Drugs Reduce Deaths from Pulmonary Embolism by Nearly Half

Adding thrombolysis drugs to conventional therapy may offer significant benefits in select patients ... Full story

Lower Vitamin D Level in Blood Linked to Higher Premature Death Rate

Researchers at the University of California, San Diego School of Medicine have found that persons with lower blood levels of vitamin D were twice as likely to die prematurely as people with higher blood levels of vitamin D. ... Full story

‘Tomato pill’ improves function of blood vessels

A daily supplement of an extract found in tomatoes may improve the function of blood vessels in patients with cardiovascular disease, according to new research from the University of Cambridge. ... Full story

Misunderstanding of Cardiopulmonary Resuscitation

It is not unusual that there will be misunderstandings when emergency operators by phone should instruct people who are trying to save the lives of cardiac arrest victims. It shows a master's thesis by Helena North Ljungqvist, lecturer at the Department of Health Sciences, Luleå University of Technology. ... Full story

Building a Better Blood Vessel

Boston, MA - The tangled highway of blood vessels that twists and turns inside our bodies, delivering essential nutrients and disposing of hazardous waste to keep our organs working properly has been a conundrum for scientists trying to make artificial vessels from scratch. Now a team from Brigham and Women's Hospital (BWH) has made headway in fabricating blood vessels using a three-dimensional (3D) bioprinting technique. ... Full story

Disturbance in blood flow leads to epigenetic changes in atherosclerosis

Disturbed patterns of blood flow induce lasting epigenetic changes to genes in the cells that line blood vessels, and those changes contribute to atherosclerosis, researchers have found. The findings suggest why the protective effects of good blood flow patterns, which aerobic exercise promotes, can persist over time. An epigenetic change to DNA is a chemical modification that alters whether nearby genes are likely to be turned on or off, but not the letter-by-letter sequence itself. ... Full story

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