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New study casts doubt on heart regeneration in mammals

New study casts doubt on heart regeneration in mammals

The mammalian heart has generally been considered to lack the ability to repair itself after injury, but a 2011 study in newborn mice challenged this view, providing evidence for complete regeneration after resection of 10% of the apex, the lowest part of the heart. In a study published by Cell Press in Stem Cell Reports on April 3, 2014, researchers attempted to replicate these recent findings but failed to uncover any evidence of complete heart regeneration in newborn mice that underwent apex resection Continue reading

Dog walking attitudes: Stoop to scoop the poop?

Dog walking attitudes: Stoop to scoop the poop?

There are 8 million dogs in the UK, which adds up to a lot of daily walks and potential for a lot of dog faeces to be left behind. Most dog walkers are happy and even proud to bag and bin their dog’s waste, some might leave waste if they are off the beaten track or in more rural locations, while a small proportion of dog walkers are totally disengaged from the idea that picking up their dog waste is the “right thing to do.” A new study in the International Journal of Environment and Waste Management, discusses the environmental, health and safety issues. Continue reading

‘Unbreakable’ security codes inspired by nature

‘Unbreakable’ security codes inspired by nature

A revolutionary new method of encrypting confidential information has been patented by scientists at Lancaster University. They have been inspired by their discoveries from human biology, which model how the heart and lungs coordinate their rhythms by passing information between each other. Continue reading

Tumor suppressor gene TP53 mutated in 90 percent of most common childhood bone tumor

Tumor suppressor gene TP53 mutated in 90 percent of most common childhood bone tumor

The St. Jude Children’s Research Hospital — Washington University Pediatric Cancer Genome Project found mutations in the tumor suppressor gene TP53 in 90 percent of osteosarcomas, suggesting the alteration plays a key role early in development of the bone cancer. The research was published today online ahead of print in the journal Cell Reports . Continue reading

Pulmonary hypertension deaths have increased over past decade, according to report

Pulmonary hypertension deaths have increased over past decade, according to report

Deaths from pulmonary hypertension have increased over the past decade, according to a study from the Centers for Disease Control and Prevention (CDC). In the study, published online in CHEST , researchers analyzed death rates from the National Vital Statistics System and data from the National Hospital Discharge Survey between 2001 and 2010 to analyze trends in hospitalizations and death rates related to pulmonary hypertension. Pulmonary hypertension is characterized by increased blood pressure in the pulmonary arteries, causing the right side of the heart to work harder. Continue reading

Nanoparticles cause cancer cells to self-destruct

Nanoparticles cause cancer cells to self-destruct

Using magnetically controlled nanoparticles to force tumor cells to ‘self-destruct’ sounds like science fiction, but could be a future part of cancer treatment, according to research from Lund University in Sweden. Watch video: https://www.youtube.com/watch?v=vos0QW2Yclk&feature=youtu.be “The clever thing about the technique is that we can target selected cells without harming surrounding tissue. Continue reading

Drawing conclusions: Children’s drawings during abuse investigations

Drawing conclusions: Children’s drawings during abuse investigations

Is a picture worth only a thousand words? According to Dr. Continue reading

Gastro outbreaks hit elderly hardest

Gastro outbreaks hit elderly hardest

Frail elderly people living in residential care facilities are at increased risk of severe illness or death from outbreaks of viral gastroenteritis. This is the finding from a study led by Craig Davis from Department of Health Queensland, published in the April issue of the Australian and New Zealand Journal of Public Health . “Importantly, prompt notification of outbreaks to public health units led to a much shorter duration of the outbreak,” Mr Davis said Continue reading

To boldly go? Experts issue ethics guidelines for health standards on NASA’s next generation of risky missions

To boldly go? Experts issue ethics guidelines for health standards on NASA’s next generation of risky missions

Nearly two years after the conclusion of its space shuttle program left Americans wondering what would become of the spacefaring dreams of decades past, NASA has sought the advice of health and ethics experts for protecting astronauts on its “next generation” of long duration and exploration-class human spaceflights. Such missions, including extended stays on the International Space Station and flights to Mars, have higher risks and are unlikely to meet the space agency’s current health standards. Continue reading

Call for circumcision gets a boost from experts

Call for circumcision gets a boost from experts

In the United States the rate of circumcision in men has increased to 81% over the past decade. In an important new study just published in advance in Mayo Clinic Proceedings authors from Australia and the United States have shown that the benefits of infant male circumcision to health exceed the risks by over 100 to 1. Brian Morris, Professor Emeritus in the School of Medical Sciences at the University of Sydney and his colleagues in Florida and Minnesota found that over their lifetime half of uncircumcised males will contract an adverse medical condition caused by their foreskin. Continue reading