New research reveals that tiny amounts of PFAS—widely known as “forever chemicals” 🧪🌍—cross the placenta and breast milk 🍼👶 to alter infants’ developing immune systems, potentially leaving lasting imprints on their ability to fight disease.

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#PFAS #ForeverChemicals #InfantHealth #ImmuneSystem #PublicHealth

Scientists found that animal fats – butter, lard and beef tallow 🐄🥓 – impair the immune system's response to tumors, however, plant-based fats like palm 🌴, coconut 🥥, and olive oil 🫒 don’t, finds a new landmark study in mice. And some of these may even help in the fight. 💪🦠

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#AnimalFats #PlantBasedDiet #ImmuneSystem #NutritionResearch #HealthyFats

A new review suggests that COVID disrupts the immune system 🦠🛡️

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#COVID19 #ImmuneSystem #HealthNews #ScienceUpdate #PublicHealth

New nanoparticles stimulate the immune system to attack ovarian tumors: « Targeted particles carrying the cytokine IL-12 can jump-start T cells, allowing them to clear tumors while avoiding side effects. »💉✨🦠💪

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#Nanoparticles #ImmuneSystem #OvarianCancer #CancerResearch #IL12

Depression found to be deeply connected to abnormalities in the body's overall immune response, suggesting 'Immune Neural Axis' imbalance as the core mechanism, opening new avenues for the discovery of biomarkers and development of new drugs for depression treatment 🧠💔🦠💊✨

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#DepressionResearch #ImmuneSystem #MentalHealthMatters #NeuralAxis #Biomarkers

In southern Africa, a group of people lived in partial isolation for hundreds of thousands of years. Researchers found changes in genes involved in both the immune system 🛡️ and neuron growth 🧠, which may affect brain growth and complex cognitive functions.

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#SouthernAfrica #GeneticResearch #CognitiveDevelopment #ImmuneSystem #HumanEvolution

Tattoo ink may cause prolonged changes to the immune system 🖊️🩺💉

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#TattooInk #ImmuneSystem #HealthAwareness #BodyArt #SkinHealth

Breast cancer hijacks the immune system’s alarm by rewiring the cGAS-STING pathway, transforming anti-tumor defense into chronic inflammation that fuels tumor growth, suppresses immunity, increases PD-L1 expression, and reveals a clear, targetable vulnerability to immunotherapy. 🩺💔🦠✨

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#BreastCancer #ImmuneSystem #cGASSTING #Immunotherapy #ChronicInflammation

Peptidoglycan from Bifidobacterium adolescentis enhances IL-10 production in regulatory B cells to alleviate gut inflammation 🌱🦠✨

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#Peptidoglycan #Bifidobacterium #IL10 #GutHealth #ImmuneSystem

🔬 Yale Study Reveals Allergy Mystery: Early exposure to diverse microbes and proteins in natural environments builds broad immune memory, preventing allergies later in life by training the immune system to respond in a balanced way rather than overreacting to harmless triggers.

🐭 Mice Study Highlights Environmental Impact: Researchers compared mice raised in microbe-rich natural settings to those in sterile lab conditions. Those from natural environments showed protection from severe allergic reactions, developing immune memory that shifted responses away from allergy-fueling antibodies.

💡 New Allergy Prevention Strategies: Findings suggest encouraging early exposure to nature and developing therapies that boost protective immune responses could be key for allergy prevention and potentially treating existing allergies by cultivating specific protective antibodies (IgG).

#AllergyResearch #ImmuneSystem #HealthScience

The anti‐inflammatory and antioxidant properties of dietary polyphenols 🛡️🍃 may mediate protective effects through modulation of gut microbiota 🦠, enhancement of intestinal barrier function 🚪, and regulation of immune responses 🧬, study finds 🔬

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#Polyphenols #GutHealth #Antioxidants #Inflammation #ImmuneSystem

Women's libido drops during a specific phase of the menstrual cycle. This reduction in desire may serve an evolutionary function by lowering the risk of infection during a time when the body’s immune system is naturally suppressed.

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#WomensLibido #MenstrualCycle #CyclePhase #EvolutionaryBiology #ImmuneSystem

🧠 A comprehensive review of 32 studies involving over 25,000 adults revealed that persistent inflammation from viral infections like COVID-19, HIV, herpes, and hepatitis is strongly linked to memory problems and slowed thinking.

🩸 Specific immune markers, including activated monocytes and pro-inflammatory cytokines (interleukin-6, tumor necrosis factor), were associated with reduced mental flexibility, slower processing speeds, and worsened episodic memory.

⚖️ Conversely, elevated levels of CD4 T cells and the anti-inflammatory messenger interleukin-10 were linked to better processing speeds, memory, and executive function, highlighting the importance of immune system balance for cognitive health.

#Neuroscience #ImmuneSystem #CognitiveHealth

🔬 New research indicates that exposure to "forever chemicals" (PFAS) can weaken the adult immune system, potentially reducing the body's ability to fight infections by limiting protective antibody production.

💧 The study, involving individuals exposed to PFAS via contaminated drinking water, found higher PFAS levels were linked to fewer antibodies after encountering a new virus. This effect was more pronounced in older adults, men, and those who are overweight.

👶 The findings extend previous research on children, suggesting PFAS exposure can impact immune response in adults as well, raising concerns for public health given the widespread use of these chemicals.

#PFAS #ImmuneSystem #HealthNews

🔬 A comprehensive review of 46 studies involving 54,382 participants found regular cannabinoid use is associated with concurrent increases in both pro-inflammatory and anti-inflammatory biological markers, suggesting a complex modulating effect on the immune system rather than a simple anti-inflammatory outcome.

🧠 This contrasts with previous lab studies and popular belief, as human data, including randomized trials on CBD, indicated a mixed immune response, with even a slight increase in pro-inflammatory markers observed in healthy individuals after CBD administration.

📊 The study, published in Brain, Behavior, and Immunity, highlights that the immune system's response to cannabinoids can vary based on study design, demographics (like gender and age), recent vs. past use, and whether the compounds are natural or synthetic, with synthetic cannabinoids showing larger inflammatory effects.

⚠️ Researchers caution against oversimplifying findings, emphasizing that observational studies can only show associations, not direct causation, and that factors like tobacco or other drug use, BMI, and pre-existing medical or psychiatric conditions can also influence immune markers.

#CannabisResearch #ImmuneSystem #HealthNews

Obesity leaves a lasting memory in immune cells. This ‘tagging’ is likely to last between 5-10 years after people successfully lose weight. The resulting impact of the ‘memory’ of obesity in helper T cells could cause dysregulation of some usual activities that the immune system typically does

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#ObesityMemory #ImmuneSystem #TCellResearch

🔬 A 10-year study by a European research team led by Prof. Claudio Mauro reveals that obesity leaves a lasting "memory" in helper T cells (a type of white blood cell). This "tagging" via DNA methylation can persist for 5-10 years after weight loss, potentially increasing the risk of obesity-related illnesses.

🧬 The "obesity memory" in immune cells can disrupt normal immune functions, such as waste removal and immune system aging. This means short-term weight loss may not immediately eliminate the risk of conditions like type 2 diabetes and some cancers.

⏳ Sustained weight management over several years (likely 5-10) is suggested to help this "obesity memory" fade. Researchers are exploring potential therapeutic opportunities, such as repurposing SGLT2 inhibitors, to speed up this reversal.

#ObesityResearch #ImmuneSystem #HealthNews

🔬 Scientists have identified over 1000 genetic switches that function differently in female and male immune cells, explaining why women are more prone to autoimmune diseases.

🔬 The study, published in The American Journal of Human Genetics, utilized single-cell technology to analyze over 1.25 million immune cells from nearly 1000 individuals.

🔬 Researchers discovered that while female immune systems are better at fighting viral infections due to higher inflammatory activity, this also makes them more susceptible to mistakenly attacking the body's own tissues.

🔬 These findings suggest that autoimmune diseases may present differently in men and women, highlighting the need for sex-specific medical research and tailored treatments.

#ImmuneSystem #AutoimmuneDisease #PrecisionMedicine

🔬 New research suggests a key to exceptional longevity might lie within our immune system, specifically in a rare type of T helper cell (CD4 CTLs). These "killer" cells, usually infrequent, appear to significantly increase in supercentenarians (those living past 110).

📈 In a study of 28 Japanese participants, the proportion of these CD4 CTLs rose from 4% in those in their 70s-90s, to 9.6% in centenarians, and a remarkable 17.6% in supercentenarians. These cells showed no signs of exhaustion and appeared to be cloning themselves in response to age-related threats.

💡 Immunologists believe this "selective expansion" indicates the immune system may continue to adapt to challenges even in extreme old age, potentially helping individuals survive age-related illnesses and cancerous cells. The findings suggest immune adaptation could be a factor in exceptional longevity.

#Longevity #ImmuneSystem #SuperAgers

New study finds that fatal asthma may involve immune system disruptions far beyond the lungs. Tissue samples from deceased donors revealed unexpected immune activity in lymph nodes near the gut.

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#ImmuneSystem #AsthmaResearch #LymphNodesGutConnection