Brian Doctrow

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Articles

Brain changes observed during pregnancy

Oct 9, 2024 | nia.nih.gov | Brian Doctrow

From NIH Research MattersOver the course of pregnancy, the body experiences major increases in hormone production. This triggers profound changes throughout the body, including in the brain. Scans of the brain before and after pregnancy have shown a reduction in gray matter volume. Gray matter contains the bodies of neurons, synapses, and glial cells, and is found mainly in the brain’s surface layer, called the cortex. However, changes in the brain have not been observed during pregnancy.
Unveiling the Hidden Complexities of the Human Brain

Aug 10, 2024 | newsbreak.com | Brian Doctrow

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Unveiling the Hidden Complexities of the Human Brain

Aug 10, 2024 | scitechdaily.com | Brian Doctrow

Unveiling the Hidden Complexities of the Human Brain By Brian Doctrow, Ph.D., National Institutes of Health August 10, 2024A single neuron is shown with 5,600 of the nerve fibers (blue) that connect to it. The synapses that make these connections are in green. Credit: Google Research & Lichtman Lab, Harvard University. Renderings by D.
This One Simple Diet Change Could Transform Your Blood Pressure

Dec 16, 2023 | newsbreak.com | Brian Doctrow

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This One Simple Diet Change Could Transform Your Blood Pressure

Dec 16, 2023 | scitechdaily.com | Brian Doctrow

Research reveals that a low-sodium diet significantly lowers blood pressure, benefiting individuals with or without hypertension and those on blood pressure medications. Lowering sodium intake significantly reduced blood pressure in most people, even those who were already taking blood pressure medications. The findings suggest that consuming less sodium could have health benefits in a wide range of people. Half of all Americans have high blood pressure, or hypertension.
How many microbes does it take to make you sick, Covid’s damage lingers in the heart, and more

Nov 3, 2023 | josepheastman.substack.com | Tara Smith |Brian Doctrow |John Dupuis |Joseph Eastman

It’s still busy around these parts, but I do want to reiterate that I understand that staying strong, believing that the pandemic is real and ongoing, continuing to mask, it’s hard. It can seem futile. But it’s not futile. “The powers that be” want us to think it is. Staying strong has consequences in our lives. But it’s worth it. Our musical interlude and “What are we even doing?” features have returned.
Heart Attack Alert: COVID-19’s Direct Assault on Coronary Arteries

Oct 25, 2023 | scitechdaily.com | Brian Doctrow

SARS-CoV-2 infected coronary arteries and increased inflammation in atherosclerotic plaques. The findings suggest how COVID-19 could increase the risk of heart attack and stroke. COVID-19 is known to increase the risk of heart attack and stroke. The intense inflammation that occurs throughout the body in severe cases likely contributes to this increased risk. But it wasn’t clear whether SARS-CoV-2, the virus that causes COVID-19, also affects blood vessels directly.
Unmasking Long COVID: The Unexpected Common Cold Connection

Sep 22, 2023 | scitechdaily.com | Brian Doctrow

A study suggests that “Long COVID” may be linked to immune imprinting, where past virus exposures influence responses to new infections. Individuals with PASC showed weakened responses to SARS-CoV-2 but stronger reactions to another coronavirus, OC43. This insight may guide future treatment and risk assessment. Prior infection with a common cold coronavirus may predispose some people to develop Long COVID.
Immune system profiles of extremely long-lived people

May 3, 2023 | nia.nih.gov | Brian Doctrow

From NIH Research MattersThe mix of various immune cells in the body changes with age. These changes may contribute to various age-related diseases. Many centenarians — people who live to at least 100 years — tend to have delayed onset of age-related diseases such as cancer, stroke, and cardiovascular disease. This suggests that their immune systems remain healthier for longer compared with other people.