David Saputo @Healthmedicine@brighteon.social

@HealthRanger it keeps shifting
I’ll provide an overview of the potential toxic effects of aluminum and mercury on human neurology, focusing on their relevance to vaccine exposure, based on available scientific understanding. Both elements have been studied extensively, though their presence in vaccines and the associated risks are often debated. Let’s break this down:
Aluminum
Aluminum is used in some vaccines as an adjuvant, a substance that enhances the immune response to the antigen. The form in vaccines is typically aluminum salts (e.g., aluminum hydroxide or aluminum phosphate), and the amounts are small—usually 0.125 to 0.85 mg per dose, well below the daily exposure from diet or environment (e.g., food, water, air).
Neurological Toxicity:
Mechanism: Aluminum can cross the blood-brain barrier under certain conditions, particularly if the barrier is compromised (e.g., in infants or with inflammation). It may accumulate in brain tissue, potentially interfering with neuronal function by:
Disrupting calcium signaling, which is critical for nerve cell communication.

Promoting oxidative stress, leading to damage of neurons and glial cells.

Altering gene expression linked to inflammation or neurodegeneration.

Potential Effects: High exposure (far beyond vaccine levels) has been associated with neurotoxicity in animal studies and rare human cases, such as dialysis patients exposed to contaminated fluids. Effects include cognitive impairment, motor dysfunction, and, in extreme cases, encephalopathy. The controversial link to Alzheimer’s disease remains unproven, with most studies showing no clear causal connection.

Vaccine Context: The aluminum in vaccines is a tiny fraction of what’s needed to cause toxicity. The body clears it primarily through the kidneys, and studies (e.g., by the CDC and WHO) show no consistent evidence of neurological harm at these doses in healthy individuals. However, critics argue that cumulative exposure or hypersensitivity in rare cases might pose risks, though this lacks robust data.

Mercury
Mercury in vaccines is tied to thimerosal, a preservative containing ethylmercury, used in some multi-dose vials (e.g., certain flu vaccines). It’s not in most childhood vaccines in the U.S. since 2001, though still used in some globally. Ethylmercury differs from methylmercury (found in fish), as it’s metabolized and excreted faster.
Neurological Toxicity:
Mechanism: Mercury, particularly methylmercury, binds to sulfur-containing molecules like cysteine, disrupting proteins and enzymes in the brain. Ethylmercury does this less effectively due to its rapid breakdown and excretion (half-life ~18 days vs. months for methylmercury). Potential effects include:
Oxidative damage to neurons, impairing mitochondrial function.

Interference with neurotransmitter systems (e.g., glutamate, dopamine), potentially overexciting or inhibiting nerve signals.

Inflammation in the central nervous system, possibly harming developing brains.

Potential Effects: High mercury exposure (again, far beyond vaccine levels) is linked to tremors, memory loss, and developmental delays, as seen in historical poisonings (e.g., Minamata disease). Ethylmercury studies show no such effects at vaccine doses; the body clears it via bile and urine before significant accumulation.

Vaccine Context: Thimerosal delivers about 25–50 micrograms of ethylmercury per dose in vaccines where it’s still used. The EPA’s safe limit for methylmercury is 0.1 micrograms/kg/day, but ethylmercury’s lower toxicity and faster clearance mean vaccine levels are considered safe by agencies like the FDA and WHO. The autism link, popularized in the late 1990s, has been debunked by numerous large-scale studies (e.g., IOM 2004, CDC 2010).

As you can see I had to cut these a little short. Let's see what R1 says

@HealthRanger deepseek R1

describe the toxic effects on human neurology of toxic elements aluminum and mercury, which are both found in some vaccines.
Aluminum and mercury are two elements that have been studied for their potential toxic effects on human neurology, particularly in the context of their presence in some vaccines. Here’s an overview of their neurological effects:

Aluminum
Sources in Vaccines: Aluminum salts (e.g., aluminum hydroxide, aluminum phosphate) are used as adjuvants in some vaccines to enhance the immune response.

Neurological Effects:

Neurotoxicity: Aluminum can cross the blood-brain barrier and accumulate in the brain, potentially leading to neurotoxicity. It has been implicated in the pathogenesis of neurodegenerative diseases such as Alzheimer’s disease, though the evidence is not conclusive.

Cognitive Impairment: Chronic exposure to aluminum has been associated with cognitive deficits and memory impairments.

Oxidative Stress: Aluminum can induce oxidative stress, leading to damage to neurons and other brain cells.

Neuroinflammation: Aluminum exposure has been linked to increased neuroinflammation, which can contribute to neuronal damage and neurodegenerative processes.

Mercury
Sources in Vaccines: Thimerosal, a mercury-containing compound, has been used as a preservative in some vaccines, though its use has been significantly reduced in recent years.

Neurological Effects:

Neurotoxicity: Mercury, especially in its organic form (methylmercury), is a well-known neurotoxin. It can cause severe neurological damage, particularly in developing brains.

Developmental Delays: Exposure to mercury, particularly in utero or during early childhood, can lead to developmental delays, cognitive deficits, and motor impairments.

Autism Spectrum Disorder (ASD): There has been significant controversy and research regarding the potential link between thimerosal-containing vaccines and ASD. The majority of scientific studies and reviews have found no credible evidence supporting a causal relationship.

Motor and Sensory Deficits: Mercury exposure can affect motor coordination and sensory processing, leading to symptoms such as tremors, ataxia, and sensory disturbances.

Oxidative Stress and Apoptosis: Mercury can induce oxidative stress and apoptosis (programmed cell death) in neurons, contributing to neurodegeneration.
Regulatory and Safety Considerations
Aluminum: The amount of aluminum in vaccines is carefully regulated and is considered safe by health authorities such as the World Health Organization (WHO) and the U.S. Food and Drug Administration (FDA). The levels used in vaccines are much lower than those associated with neurological toxicity.

Mercury: The use of thimerosal in vaccines has been greatly reduced, and it is no longer used in most childhood vaccines in many countries. The FDA and other regulatory bodies continue to monitor the safety of vaccines and have found no evidence of harm from the low levels of thimerosal previously used.

Conclusion
While aluminum and mercury have known neurotoxic effects at high levels of exposure, the amounts present in vaccines are carefully controlled and have been extensively studied for safety. The consensus among scientific and medical communities is that the benefits of vaccination far outweigh the potential risks associated with these elements. However, ongoing research and monitoring continue to ensure the safety of vaccine components.