Anti-Inflammatory Diet and Physical Activity for Reproductive Health in Adolescent Girls

Inclusion Criteria: Female adolescents aged 14 to 19 years * Attendance at one of the participating secondary schools * Provision of written informed consent by the participant and, for participants below the age of legal consent, by a parent or legal guardian * Willingness to participate in the study assessments and the assigned 16-week intervention Exclusion Criteria: * Presence of systemic or hereditary diseases Thyroid dysfunction, diabetes mellitus, congenital adrenal hyperplasia, Cushing syndrome, hyperprolactinemia suggestive of a pituitary adenoma, or an androgen-secreting tumour. * Severe salivary gland dysfunction, including Sjögren syndrome * Chronic use of medications, hormonal therapy, antibiotic treatment, or regular use of dietary supplements with potential effects on hormonal, inflammatory, oxidative stress, or microbiome-related outcomes within the previous three months. * Regular alcohol consumption or tobacco smoking * Allergy to olive oil, nuts, legumes, spices, or herbs * Medical contraindications to physical exercise or participation in the training programme. Participants with acute oral infections, gingival bleeding, or other oral conditions affecting the reliability of oral microbiome assessments may remain eligible for the other study assessments but will not be included in the relevant oral microbiome analyses.