Mental, physical health and even cognition can shape food preferences

From the crispy crunch of fresh veggies to the creamy indulgence of decadent desserts, we all have different food preferences. Our palates develop uniquely, shaped by genetics, culture and personal experiences.

Food preferences play a significant role in shaping our dietary habits. Highly palatable foods rich in sugars, fats and salts often appeal to people’s tastebuds and provide immediate satisfaction. However, these foods are typically high in calories and low in essential nutrients, leading to weight gain, and a higher risk of physical and mental health conditions.

Now we have discovered that the food you choose to eat isn’t just linked to your physical and mental health, but also to your cognitive function, brain structure and genetics.

A widespread preference for fast food is likely contributing to an increase in obesity worldwide. According to the World Health Organization, in 2022 one in eight people worldwide were obese. This rate has doubled since 1990.

Obesity isn’t just linked with an increased risk of diseases including type 2 diabetes and cardiovascular disease, but also with a 30-70% higher risk of mental health disorders.

Benefits of a healthy, balanced diet

Our new collaborative study from Fudan University in China and the University of Cambridge in the UK, published in Nature Mental Health, used a large sample of 181,990 participants from the UK Biobank...

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