For example, Dengue infection can lead to neurological outcomes in around 20% of all cases including encephalitis and encephalopathy. Some of these diseases have direct neurological consequences. mosquito is a tropical disease vector for many viruses including Dengue, Zika, Chikungunya, West Nile, and Yellow Fever. With climate change, as many more regions further from the equator become more tropical in climate, the distribution of such diseases also changes increasing in previously non-endemic regions such as Southern Europe. Many of these such as malaria, Dengue, and Japanese encephalitis are normally regionally restricted to specific geographic locations typically near the equator. Infectious DiseasesĪ direct consequence of all the changes associated with climate change will be the increased prevalence of infectious diseases such as vector-borne and zoonotic diseases (VBZDs). Researchers discover electrical wave patterns in the brain related to social behaviorĬlinically these may also be associated with other factors including changes to our behavior, changes to our diet/water intake, and that other changes within our lifestyles that may also negatively impact neurological health.Brain MRIs and genetics may be used to predict the chances of developing Alzheimer's disease.Partially paralyzed man maneuvers a pair of robotic prostheses to feed himself.This is in line with what is seen systemically in heatstroke and has important pathological hallmarks within the brain. Prolonged heat exposure in mice (e.g., 42C) can increase the levels of pro-inflammatory cytokines such as tumor necrosis factor-alpha (TNFa), interleukin-1 (IL-1), NF-kB signaling and induce the expression of iNOS in the brain resulting in gliosis and decreases synaptic density. Furthermore, neuronal cells exposed to higher temperatures decrease superoxide dismutase (SOD) expression leading to cell death. Firstly, heat exposure can induce oxidative stress as well as Tau pathology in mice – key components of neurodegeneration in dementia. Proposed mechanisms underlying heat and brain pathophysiology may be attributed to a variety of aberrant cellular processes occurring within the brain. Here, a brief overview of some of the proposed mechanisms that may increase the risk of such disorders in response to elevated temperature will be discussed, Hyperthermia, as well as climate change-related atmospheric changes, are associated with an increased prevalence of migraines, seizures, stroke, and some forms of dementia including Alzheimer’s disease. As global temperatures continue to rise, the incidence of hyperthermia and heat stroke will also inevitably increase. Heat exposure can lead to hyperthermia and heat stroke in extreme cases which can be fatal. Image Credit: kwest/ Heat and the Brain: Dementia, Stroke, Migraine & Seizures These together will have negative consequences on our health including our brain health.Ĭlimate Change. Osman Shabir, PhD Reviewed by Emily Henderson, B.Sc.Ĭlimate change will inevitably have dramatic consequences on all aspects of our lives ranging from altered climate having an impact on flooding and drought, but also changes in air/ water/soil quality & pollution, changes in ecology, and altered food production.
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