Lifeboat Foundation

FARE National Ambassador Mike Lade speaks about the matter of life and death when it comes to food allergies and EpiPens.

A new study reported that SARS-CoV-2, the virus that causes COVID, can infect dopamine neurons in the brain and trigger senescence—when a cell loses the ability to grow and divide. The researchers from Weill Cornell Medicine, Memorial Sloan Kettering Cancer Center, and Columbia University Vagelos College of Physicians and Surgeons suggest that further research on this finding may shed light on the neurological symptoms associated with long COVID, such as brain fog, lethargy, and depression.

The findings, published in Cell Stem Cell on Jan. 17, show that dopamine neurons infected with SARS-CoV-2 stop working and send out chemical signals that cause inflammation. Normally, these neurons produce dopamine, a neurotransmitter that plays a role in feelings of pleasure, motivation, memory, sleep, and movement. Damage to these neurons is also connected to Parkinson’s disease.

“This project started out to investigate how various types of cells in different organs respond to SARS-CoV-2 infection. We tested lung cells, heart cells, pancreatic beta cells, but the senescence pathway is only activated in dopamine neurons,” said senior author Dr. Shuibing Chen, director of the Center for Genomic Health, the Kilts Family Professor Surgery and a member of the Hartman Institute for Therapeutic Organ Regeneration at Weill Cornell Medicine. “This was a completely unexpected result.”

The Centers for Disease Control and Prevention (CDC) is warning clinicians to remain on alert for measles cases due to a growing number of infections.

Between Dec. 1, 2023, and Jan. 23, 2024, there have been 23 confirmed cases of measles including seven cases from international travelers and two outbreaks with five or more infections each, according to an email sent this week.

Cases have been reported in Pennsylvania, New Jersey, Delaware and the Washington, D.C. area so far.

Gene editing is revolutionizing the understanding of health and disease, providing researchers with vast opportunities to advance the development of novel treatment approaches. Traditionally, researchers used various methods to introduce double strand breaks (DSBs) into the genome, including transactivator-like effectors, meganucleases, and zinc finger nucleases. While useful, these techniques are limited in that they are time and labor intensive, less efficient, and can have unintended effects. In contrast, the clustered regularly interspaced short palindromic repeat (CRISPR)-associated protein-9 (Cas9) system (CRISPR/Cas9) is among the most sensitive and efficient methods for creating DNA DSBs, making it the leading gene editing technology.

CRISPR/Cas9 is a naturally occurring immune protective process that bacteria use to destroy foreign genetic material.¹ Researchers repurposed the CRISPR/Cas9 system for genetic engineering applications in mammalian cells, exploiting the molecular processes that introduce DSBs in specific sections of DNA, which are then repaired to turn certain genes on or off, or to correct genomic errors with extraordinary precision.^2,3 This technology’s applications are far reaching, from cell culture and animal models to translational research that focuses on correcting genetic mutations in diseases such as cancer, hemophilia, and sickle cell disease.⁴

Researchers exploit plasmids, the small, closed circular DNA strands native to bacteria, as delivery vehicles in CRISPR/Cas9 gene editing protocols. Plasmids shuttle the CRISPR/Cas9 gene editing components to target cells and can be manipulated to control gene editing activity, including targeting multiple genes at a time. Plasmids can also deliver gene repair instructions and machinery. For example, poly (ADP-ribose) polymerase 1 (PARP1) is an enzyme that drives DNA repair and transcription.⁵ It is a critical aspect of CRISPR/Cas9 gene editing technology in part because it helps repair the DSBs created by the CRISPR/Cas9 system. PARP1 CRISPR plasmids can edit, knockout, or upregulate PARP1 gene expression depending on the specific instructions encoded in the plasmid.

An exciting study reveals how exercise boosts brain power.

Summary: Recent research has revealed a significant link between exercise and improved cognitive performance, attributing this enhancement to increased dopamine levels. This discovery, involving sophisticated PET scans to monitor dopamine release in the brain during exercise, indicates that dopamine plays a vital role in boosting reaction times and overall brain function.

The study’s implications are far-reaching, suggesting potential therapeutic applications for conditions influenced by dopamine, like Parkinson’s disease and ADHD. The research underscores the importance of voluntary exercise for cognitive health, differentiating it from involuntary muscle stimulation.

It crept up slowly, almost imperceptibly. A vague rawness at the back of my throat. A thrumming malaise. On Thanksgiving Day, it lunged.

For two weeks, I was in the grip of an unusually malevolent respiratory illness. But I was in good company: Nationwide, the percentage of health care visits for flulike symptoms ticked up above the baseline at the start of November and has remained elevated ever since, according to the Centers for Disease Control and Prevention.

“All the respiratory viruses are back in full force,” Anne Liu, MD, a Stanford Medicine immunologist and infectious disease specialist confirmed. The main reasons, she said, are fairly straightforward: Social distancing and masking are not popular choices in the wake of the pandemic.

What brought the Ingenuity Mars Helicopter mission to and end and how did the Japanese Moon Snipper land on it’s head?

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People with unusually thin retinas are at greater risk of later developing bronchitis and other conditions, suggesting retinal scans could eventually become a component of routine health screening.

By Timmy Broderick

Many people are wired to seek and respond to rewards. Your brain interprets food as rewarding when you are hungry and water as rewarding when you are thirsty.

But addictive substances like alcohol and drugs of abuse can overwhelm the natural reward pathways in your brain, resulting in intolerable cravings and reduced impulse control.

A popular misconception is that addiction is a result of low willpower. But an explosion of knowledge and technology in the field of molecular genetics has changed our basic understanding of addiction drastically over the past decade. The general consensus among scientists and health care professionals is that there is a strong neurobiological and genetic basis for addiction.