It took nearly 10 years of research and development to design, evaluate and validate the Noratest® product. Alzohis has surrounded itself with the greatest neurologists and specialists in Alzheimer's disease to develop this diagnostic test. The Noratest® product was subject to multiple adjustments thanks to the conduct of several clinical studies on hundreds of diverse blood samples, the clinical, demographic and physiological parameters of which were extremely well informed. Recently, Alzohis has been fortunate to have its research work dedicated to its latest clinical study. Noratest®'s CE marking was filed in 2019, it materializes the manufacturer's commitment to comply with the highest legal, normative and regulatory requirements.