How Food May Be Affecting Your Mood | Psychiatrist Dr Uma Naidoo

Gut-Brain Link

The intricate relationship between the gut microbiome and mood is gaining attention in nutritional psychiatry. Uma Naidoo highlights the gut-brain connection, emphasizing that these two organs are linked by the vagus nerve, allowing for chemical messaging that affects mental health 1. This connection is crucial, as 90% to 95% of serotonin receptors are located in the gut, influencing mood and mental well-being.

The gut and brain rise from the exact same cells in the embryo. They spread apart and form these two different organs in the body.

--- Uma Naidoo

Simon Hill adds that a plant-based diet, rich in fiber and low in saturated fats, can significantly improve mental fitness and reduce the risk of cognitive decline 2.

   

Dietary Changes

Dietary changes can play a pivotal role in supporting healthy gut-brain interactions. Uma Naidoo suggests incorporating spices like rosemary and capsaicin, which have been shown to improve mood and brain function 3. She notes that consistent dietary adjustments, such as reducing fried foods and increasing plant-based proteins, can lead to noticeable improvements in mental health within weeks.

I've seen individuals start to tweak and make changes and start to feel better within a week.

--- Uma Naidoo

Additionally, Naidoo recommends supplements to fill nutritional gaps, particularly for those on plant-based diets, to optimize health and support mental well-being 4.