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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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Eating Camembert improves memory
New study found eating #Camembert #cheese could improve memory & protect the #brain during #aging (at least in mice).. Camembert uses...
David Ojcius
Jan 82 min read
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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...
David Ojcius
Sep 14, 20241 min read
14 views
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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...
David Ojcius
Jul 18, 20242 min read
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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...
David Ojcius
Mar 24, 20242 min read
55 views
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Alternative to intermittent fasting?
Study found that intermittent, short-term omission of only the essential amino acid isoleucine from the diet significantly increases...
David Ojcius
Feb 3, 20242 min read
5 views
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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...
David Ojcius
Nov 3, 202310 min read
10 views
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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...
David Ojcius
Oct 14, 20232 min read
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Senolytics combat COVID-19 in aging
#aging increases vulnerability to respiratory viral infections, including by #SARSCoV2. Delval et al. established a causal role for...
David Ojcius
Jul 7, 20234 min read
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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....
David Ojcius
Jun 8, 20233 min read
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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...
David Ojcius
May 15, 20231 min read
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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...
David Ojcius
Apr 13, 20232 min read
15 views
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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,...
David Ojcius
Apr 12, 20233 min read
16 views
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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...
David Ojcius
Jan 26, 20233 min read
4 views
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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...
David Ojcius
Jan 1, 20233 min read
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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...
David Ojcius
Dec 5, 20224 min read
5 views
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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...
David Ojcius
Sep 4, 20223 min read
4 views
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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...
David Ojcius
Jul 20, 20223 min read
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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...
David Ojcius
Mar 15, 20223 min read
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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....
David Ojcius
Mar 12, 20221 min read
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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...
David Ojcius
Jan 30, 20221 min read
2 views
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