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Neurological & Cognitive

The neurological and cognitive systems control a dog’s movement, behavior, and mental function. Disorders affecting the brain, spinal cord, or nerves—such as seizures, degenerative diseases, or cognitive dysfunction—can impact coordination, memory, and overall well-being. Mental enrichment and early intervention help manage many neurological conditions.
Last Reviewed Date: 01/02/2026

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Potential Adverse Effects of Omega-3 Fatty Acids in Dogs and Cats

At a Glance

This 2013 review looks at the possible risks of omega-3 fatty acids in dogs and cats, especially EPA and DHA from fish oil. While omega-3s are commonly used to support skin, joint, heart, and kidney health, the authors explain that high amounts can sometimes cause issues like GI upset, changes in clotting, oxidative stress, immune shifts, or slower wound healing. The paper also stresses that plant-based ALA is not the same as EPA and DHA, so the source of omega-3s matters when considering both benefits and risks.

Connecting the Dots
  • The authors mention emerging interest in omega-3s for neurological diseases.
  • A case study referenced involves a dog with drug-resistant epilepsy improving after omega-3 supplementation.
  • The paper notes EPA and DHA influence ion channels and receptors, which has neurological implications.
  • Roles of plant-based ingredients and phytonutrients in canine nutrition and health

    At a Glance

    The 2021 review article by Tanprasertsuk et al. synthesizes existing research to provide a clear picture of how natural compounds found in fruits, vegetables, and herbs—like carotenoids, polyphenols, and phytosterols—may support dogs' overall well-being.

    Connecting the Dots
  • Antioxidants in phytonutrients, particularly those in blueberries and spinach, may support cognitive function and reduce age-related decline in dogs.
  • The study highlights the potential of polyphenols to improve learning and memory, particularly in senior dogs.
  • Veterinary applications of pulsed electromagnetic field therapy

    At a Glance

    This 2018 review explains how pulsed electromagnetic field (PEMF) therapy delivers carefully timed bursts of electromagnetic energy to stimulate tissue repair. Evidence supports its use in bone healing, osteoarthritis, wound healing, and post-operative pain and swelling. The paper emphasizes that different PEMF devices vary widely in waveform design, which determines whether they efficiently trigger biological cascades such as nitric oxide signaling. Veterinary studies are promising, but more controlled trials are needed to guide routine use.

    Connecting the Dots
  • In dogs recovering from intervertebral disc disease (IVDD) surgery, targeted PEMF improved proprioception and reduced incision-site pain, suggesting benefits for neurologic recovery alongside pain control.
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