Clinical Research Directory

Marathon Running Group Inclusion Criteria: * Training frequency of at least 3 times per week in the past year, with each session involving at least 1 hour of running. * Participation in at least 2 marathon events within the past 2 years, with a completion time of under 4 hours and 30 minutes for a full marathon, or under 2 hours and 15 minutes for a half marathon. Exclusion Criteria: * Excludes individuals with cardiovascular diseases, hypertension, epilepsy, bronchitis, severe asthma, heart disease, inflammatory bowel disease, bacterial or viral infections, disabilities, or chronic bone diseases. * Habitual smokers. * Individuals with highly irregular eating habits or sleep patterns due to shift work or night work. * History of chronic neuro-muscular injuries or disorders in the past 6 months. * Individuals who have received antibiotic treatment or taken probiotic supplements in the past 6 months. General Healthy Adult Group Inclusion Criteria: * Generally healthy, untrained individuals. Exclusion Criteria: * Excludes individuals with cardiovascular diseases, hypertension, epilepsy, bronchitis, severe asthma, heart disease, inflammatory bowel disease, bacterial or viral infections, disabilities, or chronic bone diseases. * Habitual smokers. * Individuals with highly irregular eating habits or sleep patterns due to shift work or night work. * History of chronic neuro-muscular injuries or disorders in the past 6 months. * Individuals who have received antibiotic treatment or taken probiotic supplements in the past 6 months.