Measuring the Prevalence of Toxoplasmosis and Its Socio-economic Consequences

Inclusion Criteria: * Ability and willingness to participate in the study. * Declaration of consent. * Having RhD-Negative blood. This is because only RhD-negative blood type become slower when afflicted by Toxoplasmosis. Hence, the proposed analysis can only be performed on RhD-Negative people. * Good English language skills (at least C1, to ensure understanding of all instructions and the declaration of consent). Exclusion Criteria: * Inability to give the declaration of consent. * Any neurological disorders * Reduced general health / chronic diseases (e.g. autoimmune disease, severe cardiovascular diseases, insulin-dependent diabetes, severe depression); chronic pain disorders