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MOSTLY MICROBES AND INFECTIOUS DISEASES
Welcome to Mostly Microbes and Infectious Diseases. David Ojcius posts newspaper and journal articles in the broad field of microbiology.
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David Ojcius
Jan 82 min read
Eating Camembert improves memory
New study found eating #Camembert #cheese could improve memory & protect the #brain during #aging (at least in mice).. Camembert uses...
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David Ojcius
Sep 14, 20241 min read
Metformin decelerates aging clock in male monkeys
Highlights • #Metformin prevents brain atrophy, elevating cognitive function in aged male primates • Metformin slows the pace of #aging...
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David Ojcius
Jul 18, 20242 min read
RNA molecule that regulates cellular aging.
Study revealed novel unrecognized regulator of senescence, SNORA13, a member of a family of noncoding RNAs known as small nucleolar RNAs...
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David Ojcius
Mar 24, 20242 min read
Why Do We Age?
Scientists are investigating how our biology changes as the years add up, and whether there are ways to stop it. #aging According to some...
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David Ojcius
Feb 3, 20242 min read
Alternative to intermittent fasting?
Study found that intermittent, short-term omission of only the essential amino acid isoleucine from the diet significantly increases...
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David Ojcius
Nov 3, 202310 min read
Lifestyle interventions to delay senescence
by Jan Martel, David M. Ojcius, John D. Young. #senescence is a condition of cell cycle arrest that increases #inflammation and...
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David Ojcius
Oct 14, 20232 min read
Calorie restriction in humans builds strong muscle & stimulates healthy aging genes
#CalorieRestriction is known to delay progression of age-related diseases in animal models. A new study suggests the same biological...
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David Ojcius
Jul 7, 20234 min read
Senolytics combat COVID-19 in aging
#aging increases vulnerability to respiratory viral infections, including by #SARSCoV2. Delval et al. established a causal role for...
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David Ojcius
Jun 8, 20233 min read
Taurine deficiency as a driver of aging
Studying various animals, a study found that the amount of the semi-essential amino acid #taurine in circulation decreased with age....
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David Ojcius
May 15, 20231 min read
Centenarians have diverse gut virome w/ potential to modulate metabolism & promote healthy lifespan
Compared with viromes of young adults (>18 yr) & old people (>60 yr), centenarians have diverse #virome including previously undescribed...
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David Ojcius
Apr 13, 20232 min read
What SuperAgers show us about longevity, cognitive health as we age
· Eat like a centenarian by incorporating fiber-rich foods into your diet. · Exercise your body. · #Exercise your brain. · Stay...
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David Ojcius
Apr 12, 20233 min read
Longevity of centenarians is reflected by the gut microbiome with youth-associated signatures
Centenarians display youth-associated features in gut #microbiome such as over-representation of #Bacteroides-dominated enterotype,...
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David Ojcius
Jan 26, 20233 min read
New study finds 6 ways to slow memory decline and lower dementia risk
A new study of more than 29,000 older adults has identified six habits — from eating a variety of foods to regularly reading or playing...
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David Ojcius
Jan 1, 20233 min read
A Drug to Treat Aging May Not Be a Pipe Dream
New approaches to the biology of #senescence can make lives longer and healthier. #aging #senolytics LIFE EXPECTANCY IN the...
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David Ojcius
Dec 5, 20224 min read
Your microbiome ages as you do—and that’s a problem
Study found that gut #microbiome changes with age, & that it loses aspects of a general core microbiome & strays toward a more individual...
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David Ojcius
Sep 4, 20223 min read
Anti-insulin protein linked to longevity and reproduction in ants
In many animals, having many offspring is linked to a shorter #lifespan. A study shows that queen ants exhibit high metabolism for...
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David Ojcius
Jul 20, 20223 min read
How stress may accelerate aging of the immune system
Stress & #aging of the immune system. As people age, their immune systems naturally begin to decline. But not all immune systems age at...
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David Ojcius
Mar 15, 20223 min read
Live Fast, Die Young? Or Live Cold, Die Old?
Researchers have found that body temperature exerts a greater effect on #lifespan than metabolic rate. #aging #metabolism Researchers...
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David Ojcius
Mar 12, 20221 min read
Covid Cases Linked to Brain Shrinkage, Cognitive Decline Months Later
Even a mild case of #COVID19 can damage the brain, leading to shrinkage equivalent to up to a decade of #aging, according to a new study....
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David Ojcius
Jan 30, 20221 min read
Immunology Research Professor David Ojcius Explains the Effects of Aging on Our Immune System
If you feel like you’re slowing down a bit as you age, you’re not alone. Many of our systems (including our brain) tend to taper off as...
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