Study: Substitute teachers and replacement nurses may cause disease to spread faster : eurekalert

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Study: Substitute teachers and replacement nurses may cause disease to spread faster

Study: Substitute teachers and replacement nurses may cause disease to spread faster

Imagine a nurse who gets the flu while working at a hospital.He goes home to recover -- and an uninfected replacement nurse comes in.This kind of substitution happens all the time in the real world -- teachers, doctors, firefighters and others with essential societal roles get sick and a substitute comes in to fill their role.A new study shows that this kind of health-protecting behavior -- a "relational exchange" -- can explosively accelerate the spread of some epidemics.


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Hidden tooth infections may predispose people to heart disease

Hidden tooth infections may predispose people to heart disease

Hidden dental root tip infections are very common: as many as one in four Finns suffers from at least one.Such infections are usually detected by chance from X-rays."Acute coronary syndrome is 2.7 times more common among patients with untreated teeth in need of root canal treatment than among patients without this issue," says researcher John Liljestrand.The study was carried out at the Department of Oral and Maxillofacial Diseases of the University of Helsinki, in cooperation with the Heart and Lung Centre at Helsinki University Hospital.


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Congenital heart disease may have genetic roots

Congenital heart disease may have genetic roots

Elderly woman keeping red heart in her palms isolated on white background.(File) Elderly woman keeping red heart in her palms isolated on white background.(File)Researchers have found that patients with congenital heart defects often inherit the disease from their healthy parents.Congenital heart is one of the most common developmental defects, occurring in 1 per cent of the population world-wide and affecting 1.35 million new-borns every year with problems like holes in the heart as well as causing life-long disability to many.
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