Preclinical research for new treatments of obstructive sleep apnea (OSA): - Search for drugs for systemic or topical administration treating OSA. - Search for methods and devices for electrical nerve stimulation. Advice for pharmacological strategies for ME/CFS and post-Covid-Syndrome Preclinical research for new treatments of dysphagia: - Search for drugs for topical administration treating dysphagia. Consultancy for pharmacological approaches to Myalgic Encephalophomyelitis (ME/CFS) and post-Covid-19 syndrome (chronic fatigue and exhaustion)