Objective: To identify the impact of bullying behavior on the mental health of students who are victims of bullying.Methods: This was a cross-sectional descriptive quantitative study on 105 students in Medan Perjuangan district from November - December 2021.  Sampling was performed using accidental sampling techniques on students living in the study area. A questionnaire was used to collect data and analysis was performed using univariate analysis with an estimated value of 95% confidence of 5%. Results: More than 70% of respondents received some forms of bullying such as body shaming, intelligence discrimination, and parental work shaming, discrimination based on their religion and beliefs, and abusive words. More than 60% of students were also discriminated, ridicule, and subjected to physical violence. About 50% of respondents were also bullied based on their financial, racial/ethnicity, and skin color traits and received physical abused.Conclusion: There is a link between mental health conditions and bullying behavior in students who are victims of bullying.

Stunting or short is a chronic malnutrition problem caused by a lack of nutritional intake for a long time, resulting in growth disorders in children, namely the child's height is lower or shorter (dwarf) than their age standard. This study aims to determine the frequency distribution of maternal knowledge and attitudes about stunting in toddlers in Padangsidempuan Batunadua district, Padangsidempuan city. This research uses quantitative methods with data collection techniques carried out through questionnaires, observations, and documentation. Data analysis using univariate analysis with assistance of the SPSS (Statistical Product and Service Solution) program. The sample was taken from 75 people using purposive sampling techniques which from toddler mothers. The results of the study proved that there was a relationship between maternal knowledge and attitudes towards stunting occurence in Pudun Jae village, Padangsidimpuan Batunadua district, Padangsidempuan city, North Sumatra.