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Wed, 17 Oct 2018 11:10:25 EDT
Taking steps toward a wearable artificial kidney
There just aren't enough kidney transplants available for the millions of people with renal failure. Aside from a transplant, the only alternative for patients is to undergo regular dialysis sessions to clear harmful cellular waste from their bodies. Now, scientists report a new urea sorbent that could accelerate progress toward the development of a lightweight, wearable artificial kidney with the potential to make dialysis more convenient, comfortable and effective.
Wed, 17 Oct 2018 11:10:19 EDT
Selfish people have fewer children and earn less money
What happens to those who behave unselfishly and make sacrifices for the sake of others? According to an interdisciplinary study, unselfish people tend both to have more children and to receive higher salaries, in comparison to more selfish people.
Wed, 17 Oct 2018 11:10:16 EDT
Regulating microglial activity may reduce inflammation in neurodegenerative diseases
A group of investigators is proposing that targeting immune checkpoints -- molecules that regulate the activity of the immune system -- in immune cells called microglia could reduce the inflammatory aspects of important neurodegenerative diseases like Alzheimer's disease, Parkinson's disease and ALS.
Wed, 17 Oct 2018 11:10:06 EDT
Breastfeeding protects infants from antibiotic-resistant bacteria
A new study shows that infants that are breastfed for at least six months have less antibiotic-resistant bacteria in their gut compared with babies breastfed for a shorter time. On the other hand, antibiotic use by mothers increases the number of antibiotic-resistant bacteria in infants.
Wed, 17 Oct 2018 08:08:19 EDT
Participating in sports during childhood may have long-term benefits for bone health
Participation in organized sport during childhood and adolescence is associated with bone mass at 20 years of age.
Wed, 17 Oct 2018 08:08:02 EDT
Nutrition has a greater impact on bone strength than exercise
One question that scientists and fitness experts alike would love to answer is whether exercise or nutrition has a bigger positive impact on bone strength.
Wed, 17 Oct 2018 08:07:54 EDT
Paternal transmission of epigenetic memory via sperm
Studies of human populations and animal models suggest that a father's experiences such as diet or environmental stress can influence the health and development of his descendants. How these effects are transmitted across generations, however, remains mysterious. A new study in the roundworm C. elegans documents the transmission via sperm of epigenetic marks that are both necessary and sufficient to guide proper development of germ cells in the offspring.
Tue, 16 Oct 2018 15:42:34 EDT
The science of sustainability
Can humans drive economic growth, meet rising demand for food, energy and water, and make significant environmental progress? The short answer is 'yes,' but it comes with several big 'ifs.' New research shows that we can put the world on a path to sustainability if we make significant changes within the next 10 years.
Tue, 16 Oct 2018 14:24:26 EDT
Research assesses geographic distribution of new antibiotics following market introduction
New study finds that between 1999 and 2014, only 25 new antibiotics entered the global market. The majority of antibiotics released in this time period originated from Japanese or US companies and were launched in Japan or the US. Of the 25 antibiotics, 18 treat community-acquired respiratory infections, 14 treat skin infections, and 12 treat urinary infections. Half treat infections caused by resistant bacteria, but none targeted Gram-negative bacteria, which cause most untreatable infections.
Tue, 16 Oct 2018 14:24:22 EDT
Father's nicotine use can cause cognitive problems in children and grandchildren
A father's exposure to nicotine may cause cognitive deficits in his children and even grandchildren, according to a new study. The effect, which was not caused by direct secondhand exposure, may be due to epigenetic changes in key genes in the father's sperm.
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