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Anemia is a common nutritional problem that occurs in vulnerable groups such as pregnant women and teenage girls. One of its main causes is iron deficiency, which can be exacerbated by low vitamin C intake. Red guava (Psidium guajava L.) is a local fruit that is rich in vitamin C and has the potential to improve iron absorption, thus supporting an increase in hemoglobin levels. This study aims to review the effectiveness of red guava in increasing hemoglobin as an effort to prevent anemia. This study uses a literature review design on five experimental research articles published in the last 10 years. The study results show that the consumption of red guava, whether consumed alone or in combination, can significantly increase hemoglobin levels in pregnant women and adolescent girls with anemia. The vitamin C content in red guava plays a role in enhancing the bioavailability of iron needed for hemoglobin formation. Thus, red guava has the potential to be used as part of a locally based food nutrition intervention that is effective, affordable, and applicable in the effort to prevent anemia.

Background: Premenstrual Syndrome (PMS) is a combination of physical, emotional, and behavioral symptoms that occur cyclically before menstruation and are commonly experienced by adolescent girls. Common symptoms include fatigue, abdominal pain, headaches, anxiety, and mood disturbances, which can affect sleep quality, concentration, and academic productivity. This article provides an in-depth examination of the definition, types, prevalence, causes, impacts, and management of PMS in adolescent girls. Based on epidemiological data, the prevalence of PMS is quite high, both globally and nationally, with incidence rates in Indonesia reaching 70–90% among women of reproductive age, and most cases beginning during adolescence. There are four main types of PMS: Type A (anxiety), Type H (hyperhidrosis), Type C (food cravings), and Type D (depression), each with specific characteristics and etiologies. Causes of PMS include hormonal imbalances of estrogen and progesterone, reduced serotonin levels, poor sleep quality, psychological stress, genetic factors, and unhealthy lifestyles. The impact of PMS on adolescents is complex, including decreased academic performance, social relationship disturbances, and reduced psychological well-being. Therefore, PMS management should be approached holistically through pharmacological (such as NSAIDs, antidepressants, and diuretics) and non-pharmacological (physical exercise, relaxation, lifestyle changes, and nutritional education) interventions. Environmental support and reproductive health education are crucial to help adolescents effectively manage PMS symptoms and improve their quality of life. This study is expected to serve as a foundation for promotive and preventive interventions in adolescent health care.

Early marriage in Indonesia is a significant reproductive health issue, particularly for adolescent girls. This study aims to explore the impact of early marriage on reproductive health and the contributing factors. Early marriage, defined as marriage before the age of 19, can lead to various health problems, including a high risk of pregnancy complications and mental health issues. Data indicates that Indonesia has a high rate of early marriage, with the highest prevalence in several provinces. The method used is a literature review analyzing 30 relevant scientific journals from 2015 to 2025. The findings indicate that early marriage is associated with an increased risk of pregnancy complications, disturbed mental health, and low knowledge about reproductive health among adolescent girls. Further efforts are needed in reproductive health education and policies to prevent early marriage.

Unwanted pregnancy (UP) among adolescents is a reproductive health problem that affects physical, psychological, social, and economic aspects. Adolescents often lack knowledge about pregnancy and reproductive health. Therefore, effective educational methods, such as video media, are needed to increase adolescent girls’ understanding of UP. This study used a quantitative pretest-posttest design without a control group. Forty-eight ninth-grade students at SMPN 1 Sliyeg were the respondents. Data was collected using a questionnaire before and after intervention using educational video. Data were analyzed using Wilcoxon test to see the difference in knowledge levels. The pretest results showed that 66.7% of respondents had poor knowledge, and none had good knowledge. After the intervention, all respondents (100%) had good knowledge. The Wilcoxon test showed a p-value of 0.000 (<0.05), indicating a significant difference. Therefore, educational video is effective in increasing knowledge of adolescent girls regarding unwanted pregnancy.

Mental health issues among adolescents have become an increasingly critical concern, particularly regarding the low level of mental health literacy among the younger generation. This study aims to analyze the role of Instagram as a health promotion medium in improving mental health literacy among adolescents aged 15–18 years. A descriptive quantitative method was employed using the Mental Health Literacy Questionnaire (MHLQ), which was distributed online to 70 respondents who met the inclusion criteria. The results indicate a significant positive correlation between the frequency of interaction with mental health promotion content on Instagram and adolescents' mental health literacy levels (ρ = 0.449; p < 0.05). Most respondents demonstrated moderate to high levels of mental health literacy, suggesting that Instagram has the potential to be an effective tool for enhancing adolescents' understanding and awareness of mental health issues. This study provides evidence that social media can serve as a non-formal intervention tool to support efforts in increasing mental health literacy among Indonesian adolescents.

Mental health issues among adolescents are often not handled properly due to low psychological literacy and strong social stigma. This community service activity aims to provide psychoeducation on the importance of mental health to SMK Taman Harapan students. The methods used include interactive lectures, group discussions, and simple simulations to increase students' awareness and understanding of mental health issues that are common in adolescence. The theme "Talking About Mental Health Doesn't Have to Wait Until You're Crazy First" was chosen to emphasize that discussions about mental health should be part of everyday life, not taboo. The results of the activity showed high student enthusiasm and increased understanding of the importance of maintaining mental health and seeking help when needed. This activity is expected to be the first step in creating a school environment that is more open and supportive of mental health issues.

This study aims to identify the relationship between interest in learning and delinquent behaviour intention among high school adolescents in Jambi city. This study uses quantitative research with a correlational test approach. The sample was 400 high school students in Jambi city with data collection through questionnaires adapted from previous studies. Data analysis includes several approaches: 1) descriptive analysis, 2) normality test, and 3) hypothesis testing using Spearman's rho correlation. Based on the results of this study, it was found that there is a correlation between interest in learning and delinquent behaviour intention among high school adolescents in Jambi city. This is evidenced by the p value of 0.01. The p value means that the p value is smaller than 0.05 so that the Working Hypothesis (Ha) is accepted and the Null Hypothesis (H0) is rejected.  

This article examines the socialization activities carried out by students of the Real Work Lecture (KKN) of the State University of Padang (UNP) in an effort to prevent juvenile delinquency at SMP Negeri 09 Sawahlunto. The main goal of this activity is to increase students' understanding of the negative impact of juvenile delinquency and build awareness to behave positively in the school and social environment. The implementation method is in the form of interactive socialization which was carried out on January 25, 2025 at 09.00–10.50 WIB, involving 60 students from grades VII to IX. The material is delivered through educational presentations and group discussions to encourage active participation of participants. The results of the activity showed high enthusiasm from the students and increased their knowledge about the types of juvenile delinquency and its prevention strategies. These findings indicate that a preventive approach through direct education by KKN students can be an effective alternative in supporting adolescent character development in schools. In conclusion, this activity makes a real contribution to efforts to prevent juvenile delinquency and strengthens the role of educational institutions in the formation of better student behavior.

The menstrual hygiene behavior of adolescents, especially those in the menarche phase, still needs more attention. This study aims to evaluate menstrual hygiene practices among adolescent girls experiencing menarche at SMPN 4 Pare in Kediri. The study used a correlational research design with a cross-sectional approach. The population consisted of 40 female students, and a total sampling technique was used to select 40 respondents. The independent variable is health literacy and the dependent variable is menstrual hygiene ability. The E-Health questionnaire was used to assess health literacy, and the Menstrual Hygiene questionnaire was used to assess menstrual hygiene skills. Spearman rank statistical tests were used, and the results showed that 72.5% had poor health literacy and 67.5% had poor menstrual hygiene skills. The p-value was 0.001, which is less than the alpha level of 0.05 (r = 0.879). Health literacy greatly affects adolescents' ability to implement menstrual hygiene. Efforts are needed to increase interest in health literacy, especially among adolescents in the field of reproductive health.

Adolescent girls are susceptible to nutritional and psychological problems due to changes during puberty. Selective eating behavior and negative body image perceptions may affect nutritional intake, potentially leading to eating disorders and mental health issues. This study aimed to examine the relationship between food selectivity and body image with nutritional status in adolescent girls. A quantitative, cross-sectional design was used, involving 89 purposively sampled female adolescents aged 15–19 years from a population of 790. Anthropometric measurements were conducted using a microtoise and a digital scale, and data were analyzed using the chi-square test. Results showed that 17.5% of participants were undernourished. There was no significant association between food selectivity and nutritional status (p = 0.454), but a significant association was found between negative body image and abnormal nutritional status (p = 0.001). In conclusion, body image is significantly associated with nutritional status, whereas food selectivity is not, among adolescent girls at SMA Negeri 2 Palu.  

Adolescence is a transition period from childhood to adulthood marked by various physical, emotional, and social changes. One of the main challenges faced by adolescents is a lack of self-confidence, which can hinder the development of self-potential and social interaction. Based on observations at the Taruna Yodha Sukoharjo Children's Social Service Center, it was found that many adolescents showed an inferior attitude, were afraid of being wrong, and were reluctant to express their opinions in public. Therefore, this community service aims to increase awareness of the importance of self-confidence through interactive socialization. The implementation method includes four stages, namely the presentation of material on the concept of self-confidence, discussion of personal experiences, providing positive affirmations, and ice breaking to build familiarity. This activity was attended by most of the adolescents at the center and succeeded in increasing active participation from 20% to 50%. Although there were still obstacles such as limited time and the difficulty of some participants in expressing themselves verbally, the evaluation results showed an increase in social interaction and enthusiasm in implementing positive affirmations. This activity proves that an interactive approach can be an effective solution in fostering adolescent self-confidence. For more optimal results, ongoing programs such as public speaking training and psychological assistance are needed. It is hoped that teenagers in the shelter can continue to develop their potential and face social challenges with more confidence.

Gratitude is an attitude that is highly emphasized and appreciated. An attitude of gratitude means recognizing ang appreciating all the blessings given by God. Teenagers who are able to be grateful for their lives will have an impact on their happiness and peace of mind. The sample in this study was 65 junior high school studendts. The aim of this research is to determine the effect of gratitude on happiness in adolescents. This research uses a quantitative approach with simple regression test aanalysis using SPPS 26.00 with data collection tools in the form of questionnaires for the gratitude scale. From the results of research data analysis, is shows that there is an influence of gratitude on happiness in teenagers of 16.9%, which is in the medion category, which means that the higher the feeling of gratitude, the more happiness will increase. So it can be concluded thatther is an influence of gratitude on happiness in teenagers.    

This research was studied in order to describe how the influence of learning types consisting of visual, audiotorial, and kinesthetic learning types on the learning achievement of young students in Bukittinggi. How to collect data in research through questionnaires and documentation. Shiva who is 15-18 years old is the population in this study. There were 100 participants in this study who were selected through the cluster random sampling technique. This hypothesis was tested through linear regression analysis with a gain of 0.07. The results of this study indicate that there is a significant influence between each learning style, namely visual, audiotorial, and kinesthetic learning styles on student learning outcomes in Bukittinggi. This is indicated by the results of the visual learning style determination test with a percentage of 21.37%, 54.70% auditory learning style, and 23.93% kinesthetic learning style.

Personal hygiene during menstruation is important to determine the health of reproductive organs in adolescent girls to avoid infection. According to the Central Bureau of Statistics, 2023, the number of adolescent girls in Indonesia in the early adolescent stage is more than 21 million. Errors in maintaining personal hygiene during menstruation can increase the risk of reproductive health disorders in adolescent girls. The purpose of this service is to increase the knowledge and awareness of adolescent girls about the importance of maintaining personal hygiene behavior during menstruation. The method used was an interactive lecture using an educational and participatory approach. The evaluation results showed a significant increase in knowledge scores from an average of 2.65 in the pre-test to 9.30 in the post-test (p<0.001). These results reflect that the lecture method with an educational and participatory approach used, as well as the leaflet media, is effective in increasing the understanding of adolescent female students about the importance of maintaining personal hygiene during menstruation., without any reference or formula.

The purpose of this study was to determine the application of jenga for question card media to improve knowledge and attitudes of 16-18 year old adolescents about vegetables and fruits at State Senior High School 2 Bangkalan. This type of research is quasi-experimental with a nonequivalent control group design. The sample in this study was 98 16-18 year old adolescents at State Senior High School 2 Bangkalan using non-random techniques. This study used a cooperative learning method with jenga for question cards. Respondents will take blocks on jenga if the respondent takes red then they will take a red question card and the respondent answers the question. Data on knowledge mastery of vegetable and fruit consumption were taken from multiple-choice tests and data on vegetable and fruit consumption attitudes using a Likert scale questionnaire. Because the data were not normally distributed, the data were analyzed by non-parametric statistics, namely Wilcoxon and Mann Whitney. The results showed that there was an increase in knowledge of 24 points and attitudes of 21.6 points after being given nutrition education.  The results of the bivariate test of the differences and effects of vegetable and fruit consumption nutrition education with jenga for question card media on the mastery of knowledge and attitudes have a p-value of 0.000. Vegetable and fruit consumption nutrition education with jenga for question card media has a significant effect on the mastery of Knowledge and Attitudes of 16-18 year old adolescents at State Senior High School 2 Bangkalan.

This research is motivated by the increasing cases of verbal aggression among children and adolescents, which have a significant impact on their psychological well-being and social environment. The aim of this study is to analyze the tendencies, causal factors, and impacts of verbal aggression in children and adolescents, as well as to provide effective recommendations for its management. The method used is a literature review with a descriptive qualitative approach, examining various scientific journals related to verbal aggression, verbal abuse, and the influencing factors. The main findings show that verbal aggression often arises due to family factors, social environment, media, and socioeconomic pressures; this behavior not only increases the risk of depression, anxiety, and low self-esteem in victims but also has long-term negative effects on the perpetrators. The implications of this study emphasize the importance of early detection and the active roles of teachers, parents, and school counselors in preventing and managing verbal aggression through communication skills education, psychological interventions, and strengthening school policies to create a safe learning environment that supports the social-emotional development of children and adolescents.

Anemia juga diartikan sebagai suatu kondisi ketika tubuh kekurangan sel darah merah, dan dapat terjadi pada semua kelompok usia. Prevalensi anemia di kalangan remaja usia 15–24 tahun tercatat sebesar 15,5%. Jika dirinci berdasarkan jenis kelamin, prevalensi anemia pada remaja putri (rematri) mencapai 18%. survei yang dilakukan oleh Dinas Kesehatan DIY pada tahun 2018 terhadap 1.500 remaja putri di lima kabupaten dan kota menunjukkan bahwa 19,3% dari mereka mengalami anemia, yang ditandai dengan kadar hemoglobin di bawah 12 g/dl. Remaja atau santriwati di Pondok Pesantren Harun Asy-Syafi’i diperoleh informasi dan data sebanyak 92% remaja putri pernah mengalami gejala-gejala anemia. Bahkan pernah ada remaja putri di pondok pesantren ini yang dirujuk ke fasilitas kesehatan karena mengalami anemia. Tujuan pengabdian adalah remaja putri di Pondok Pesantren harun Asy-Syafi’i mengetahui tentang pecegahan anemia. Metode yang digunakan adalah memberikan sosialisasi atau edukasi tentang pencegahan anemia. Jumlah subyek kegiatan adalah 87 orang. Evaluasi dilakukan dengan memberikan pertanyaan tentang materi yang telah disampaikan. Hasil yang diperoleh adalah pengetahuan tentang pencegahan anemia pada remaja putri di Pondok Pesantren Harun Asy-Syafi’i semakin meningkat setelah diadakannya kegiatan pengabdian kepada masyarakat berupa sosialisasi tentang pencegahan anemia

Dysmenorrhea is one of the most common reproductive health problems experienced by adolescent girls, significantly affecting daily activities and academic performance. Non-pharmacological approaches such as abdominal stretching offer a safe, simple, and cost-effective alternative for reducing menstrual pain. This community service activity was conducted at SMPN 8 Lubuklinggau from April 11 to 17, 2022, aiming to enhance students’ knowledge and skills in managing dysmenorrhea through abdominal stretching exercises. The program included education, demonstration, independent practice, and pre- and post-test evaluations. The results showed that most participants experienced a reduction in menstrual pain intensity and improved understanding of dysmenorrhea management. The intervention proved to be effective and feasible to be integrated into regular school health programs. Additionally, the activity empowered adolescents to take a more active role in maintaining their reproductive health. Further research is recommended to evaluate the effectiveness of abdominal stretching on a broader scale.

Anemia is a common health problem among adolescent girls, which can affect their growth and development. Thi study aims to identify factors that influence the occurrence of anemia in adolescent girls. Both biological and environmental factors contribute to anemia. The method used was a comprehensive literature review, by collecting data from various relevant sources including journals and research reports. The result emphasized the importance of knowledge about adolescent girls health, as well as lack of iron consumtion, irregular sleep patterns and long-duration or irregular menstruation, so there is a need for education n each village to reduce the risk of anemia in adolescent girls. The conclusion of this study shows that the impact of anemia  affects physical health, quality of life, productivity and social well-being. Addressing anemia should be a priority in public health policy.

Menstrual pain or dysmenorrhea is a common complaint experienced by adolescent girls throughout the world has shown that the incidence of dysmenorrhea is quite high, namely 43-93% of women experience dysmenorrhea and 5-10% of them experience very severe dysmenorrhea and leave their activities 1-3 days a month, where 8% of them have to leave school or work during menstruation The purpose of this study is to examine the effect of giving turmeric and tamarind with pineapple juice on reducing primary dysmenorrhea pain in TPMB "M".This study uses a qualitative research strategy, with a case study, which is a series of scientific activities carried out intensively, in detail and in depth about a program, event, and activity, both at the individual level, a group of people, institutions, or organizations to obtain in-depth knowledge about the event, this case study was conducted directly to adolescents who were menstruating and experiencing primary dysmenorrhea. The results of the study were conducted in Case 1, an adolescent who was experiencing Primary Dysmenorrhea pain with a pain scale of 9 after being given Turmeric Acid, the NRS value at Visit 1 was 7, Visit 2 was 5, Visit 3 was 3. While in Case 2 after being given Pineapple juice, the NRS value at Visit 1 was 7, Visit 2 was 4, Visit 3 was 2. both were the same in reducing pain, but consuming Turmeric Acid was more effective in reducing pain by 1 on the 2nd visit and the difference in pain reduction was 1 on the 3rd visit. It is hoped that this study can be used to add new knowledge about the treatment of dysmenorrhea pain in adolescents in a non-pharmacological way, namely by using turmeric acid and pineapple juice. as an alternative.