Category: Daily News

Jul 31 2020

Daily News

Eating Ourselves into Shorter, Less Healthy Lives

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We humans have not evolved for optimal function given a continually high calorie intake. We, and all other species, evolved in an environment characterized by periods of feast and famine:...

Jul 31 2020

Daily News

An Age-Related Increase in CD47 Expression Impairs Vascular Function

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Researchers here provide evidence to indicate that increased expression of CD47 in aged blood vessels impairs a range of functions, from maintenance of these tissues to the generation of new...

Jul 30 2020

Daily News

Naked Mole-Rat Senescent Cells are Unusually Vulnerable to Oxidative Stress

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This open access paper expands on earlier work on cellular senescence in long-lived naked mole-rats. Individuals of this species can live as much as nine times longer than equivalently sized...

Jul 30 2020

Daily News

Cognitive Decline is Accelerated by Hypertension, Diabetes, and Smoking

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The raised blood pressure of hypertension can be minimized with age by staying thin and active, type 2 diabetes is near entirely avoidable via much the same strategy, and smoking...

Jul 29 2020

Daily News

Glucosamine Supplementation Correlates with Lower All Cause Mortality

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An analysis of a large study population here shows that glucosamine supplementation results in about a 15% reduction in mortality, a sizable effect size in the context of what is...

Jul 29 2020

Daily News

Glycosylation Changes in Epidermal Stem Cells as a Biomarker of Aging

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Researchers here analyze amounts and types of glycans in stem cells isolated from the skin of old and young mice. The differences observed might serve as a biomarker of aging,...

Jul 28 2020

Daily News

Age Related Hearing Loss is Caused by Damage to Hair Cells

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Researchers here provide evidence for age-related deafness to be caused by the loss of viable hair cells in the inner ear, rather than other possible mechanisms. As pointed out, this...

Jul 28 2020

Daily News

Organoids Used to Identify NRG1 as a Regulator of Tissue Repair in the Intestine

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The intestinal lining is an important tissue. Among its other functions, it protects the body from inflammation that can be generated by the actions of gut microbes. This barrier declines...

Jul 25 2020

Daily News

Evidence for Stochastic Mitochondrial DNA Mutation in Mice to Largely be a Result of DNA Replication

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Mitochondria, the power plants of the cell, are the distant descendants of ancient symbiotic bacteria. They contain their own remnant mitochondrial DNA, a small genome distinct from that in the...

Jul 25 2020

Daily News

Hyperbaric Oxygen Treatment Improves Cerebral Blood Flow in a Small Clinical Trial

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In the study noted here, researchers provide evidence for a few months of hyperbaric oxygen treatment to increase blood flow to the brain, perhaps in large part by spurring greater...