OLFactory Odour Stimulation and FOOD Preferences

Korábbi kezelés

• Surgical intervention of the nasal cavity or the paranasal sinus
• Current illicit drug abuse including daily marijuana and CBD (Cannabidiol) consumption (alcohol ≤2 drinks per day allowed)
• Treatment with insulin-sensitizing drugs within the last 3 months
• Treatment with Glucagon-like Peptide 1 (GLP1)-analoga
• Regular use of psychopharmaceutic drugs
• Bariatric surgery

Más betegség

• Known allergy to olfactory stimulation substance, citrus fruits, citrus flavours, citrus food products
• Lactose-intolerance, celiac disease or non-celiac wheat sensitivity
• Eating disorder (now or in the past)
• Acute disease affecting food intake
• Acute upper respiratory tract infection, acute or chronic sinusitis
• Severe visual impairment (vision <10%)
• Any kind of severe chronic disease (e.g. severe heart failure, active cancer disease)
• Type 1 and 2 diabetes mellitus
• History of neurodegenerative diseases, severe head trauma
• Severe renal impairment (e.g. estimated glomerular filtration rate <30 ml/min/m2)
• Known liver cirrhosis or other severe liver impairment
• Uncontrolled hypertension
• Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc.

Egyéb

• Diet other than omnivore or vegetarian
• Dysphagia
• Use of any kind of decongestant more than twice a week
• Uncontrolled dysthyroidism
• Study participants aims to start a new diet or exercise program during the study
• Pregnancy/Lactation
• Participation in an interventional study within the last 3 months

• Age 18-60 years
• Written informed consent
• BMI ≥30 kg/m2
• Normosmia (as defined by Sniffin' Sticks Test)