Providing medical information in relation to digital science-based solutions for predicting, protecting and promoting brain health; medical analysis services in relation to the diagnosis and treatment of persons in the field of digital science-based solutions for predicting, protecting and promoting brain health; dietary and nutritional guidance in relation to predicting, protecting and promoting brain health; health care in relation to predicting, protecting and promoting brain health; rental of medical apparatus and instruments for predicting, protecting and promoting brain health