Researchers Examine Oral Microbiota and Its Possible Link to Child and Adolescent Obesity

Introduction to Obesity as a Global Health Concern

Obesity is a significant health issue worldwide, with increasing rates observed among both adults and children. While genetic factors contribute to obesity, environmental, social, and psychological influences are also critical.

Taste Sensitivity and Obesity

Previous studies have highlighted differences in taste sensitivities between obese and non-obese individuals. Research indicates that individuals with a higher body mass index (BMI) often exhibit lower taste sensitivity.

Focus of Recent Research

A recent study published in PLOS ONE explored the relationship between oral microbiota, taste sensitivity, and obesity, an area that has received limited attention. Conducted by researchers from Milan, Italy, the study involved participants aged between six and 14 years in 2018. The group included both obese participants and a control group of non-obese individuals.

Methodology of the Study

Participants were instructed to refrain from eating or drinking for two hours before the examination. The researchers collected full body measurements and oral samples from each participant. Taste sensitivity was assessed using taste strips that tested for bitter, salty, sour, sweet, or no taste. To ensure accurate results, participants rinsed their mouths with water between each taste strip. An important metric in the study, the fungiform papillae count, was also recorded, as these structures house taste buds.

Key Findings

The study revealed that obese participants exhibited a higher presence of oral bacteria compared to their non-obese counterparts. Additionally, they struggled more with correctly identifying tastes on the strips, while control participants demonstrated greater sensitivity to various tastes. Furthermore, the obese group had a lower count of fungiform papillae than the control participants.

Conclusion and Future Research Directions

The authors of the study propose that oral microbiota may play a role in child and adolescent obesity. The potential impact of oral microbiota on taste perception and its subsequent influence on obesity warrants further investigation.

Reference

Mameli, Chiara, et al. “Taste Perception and Oral Microbiota Are Associated With Obesity in Children and Adolescents.” PLOS ONE. 13 Sept. 2019. Online.