Chronic sinusitis is one of the most common chronic diseases, affecting nearly 1 in 7 people. Unfortunately, people who suffer from chronic sinus are more likely than those who do not to develop depression, anxiety and sleep disorders. They also often report symptoms such as brain fog, fatigue and difficulty concentrating. These symptoms can severely impact physical and mental wellbeing and overall quality of life. This podcast episode explores the link between chronic sinusitis and its complications, including its effects on mental health and cognitive function. It looks at the prevalence of these comorbidities, potential underlying biological mechanisms, and potential nutrient, herbal and dietary interventions that may assist with addressing these mechanisms and improving health and wellbeing.