Adolescent parent relationship is one of the most fundamental factors affecting the psychological, social, and emotional development of adolescents and plays a decisive role in preventing the formation of high-risk behaviors during this developmentally sensitive period. Adolescence is accompanied by extensive biological, cognitive, emotional, and social changes, and the individual tries to form his independent identity, recognize his social status, and gain more autonomy for personal decisions. These developments may expose the adolescent to experiencing behaviors that threaten his physical, mental, and social health. High-risk behaviors include tobacco and psychotropic substances, aggression, unsafe sexual behaviors, risky driving, school skipping, participation in criminal activities, and harmful use of cyberspace. Although the incidence of these behaviors is influenced by a set of individual, familial, and social factors, the quality of parent-adolescent communication can act as one of the important protective factors against these harms. From a theoretical perspective, adolescent parent communication is not limited to the exchange of information or the transmission of educational orders, but is a multidimensional process that encompasses emotional, cognitive, behavioral, and interactive dimensions. In this process, the level of mutual trust, emotional acceptance, respect for independence, the ability to have constructive dialogue, and how parents respond to the needs and mistakes of the adolescent are of fundamental importance. When an adolescent feels that his or her parents are listening to him without being humiliated, threatened, or hastily judged, he or she is more willing to express his problems, concerns, and experiences. Such an atmosphere allows for early identification of traumatic situations and allows parents to provide appropriate support before establishing risky behaviors. Attachment theory is one of the important frameworks for explaining the role of parent-to-adolescent communication in the prevention of behavioral harms. According to this viewpoint, the experience of stable and responsive emotional relationships in the family can strengthen the sense of psychological security and provide the ground for the formation of healthy patterns of trust and interpersonal communication. Adolescents who feel more secure in relation to their parents usually have more time to evaluate the consequences of their behaviors in the face of social pressures, and if they are in threatening situations, they are more likely to ask for help from their parents or other trusted adults. In contrast, relationships based on rejection, emotional instability, constant threat, or neglect may increase feelings of loneliness and insecurity, leading the adolescent to alternative sources of social acceptance. However, attachment insecurities alone do not imply the occurrence of risky behaviors, and its effect depends on other factors such as mood, social support, economic circumstances, and school experiences. Social learning theory also explains the role of family connection through observation, modeling, and behavioral reinforcement. Adolescents learn some of the ways in which conflict resolution, anger management, dealing with stress, and decision-making are learned from parents' behavior. When parents use dialogue, responsibility, problem-solving, and emotion regulation in difficult situations, they provide children with adaptive behavior patterns. In contrast, observing aggression, substance use, humiliating others, or using threats to resolve conflicts may introduce these behaviors as acceptable ways to deal with problems. Also, parents' reactions to adolescent behaviors are effective in the formation of future behavioral patterns, for example, reinforcing efforts to make responsible decisions and accepting mistakes can increase the likelihood of repetition of adaptive behaviors. However, behavioral learning is not only influenced by the family, and peer groups, media, educational environment, and social conditions also play a role in the formation of adolescent behaviors. From the perspective of self-determination theory, meeting basic psychological needs, including autonomy, competence, and belonging, is important for the healthy development of adolescents. Parental communication that respects their child's reasonable choices while maintaining appropriate supervision can help develop self-control and responsibility. Autonomy does not mean leaving the teen without guidance, but rather providing them with the opportunity to make age- and ability-appropriate decisions along with access to parental support and guidance. If parents overly control the teen's behavior, without explaining the reasons for the restrictions, resistance, secrecy, or conflict may increase. In contrast, unlimited freedom and lack of supervision can also put the adolescent in situations where he is not adequately prepared to assess the risk and cope with peer pressure. Therefore, effective communication requires a dynamic balance between independence and supervision, a balance that changes with age and the development of the adolescent's cognitive abilities. The theory of family systems also examines the behavior of the adolescent in the context of interactions between family members and emphasizes that behavioral problems cannot always be attributed to the individual characteristics of the adolescent. Chronic parental conflicts, unhealthy family alliances, unclear boundaries between members' roles, and a lack of coordination in parenting practices may increase the psychological stress of the teen. When parents are relatively consistent about the rules, expectations, and consequences of risky behaviors, the adolescent is faced with a more predictable environment and is better able to understand the limitations. Of course, parental coordination should not mean equal rigidity and inflexibility, but rather educational decisions should be made according to the individual's needs, developmental conditions, and psychological state. Within this framework, family dialogue can help identify hidden conflicts and correct dysfunctional communication patterns. The quality of a teen's parent's communication is also linked to the development of emotion regulation skills. Adolescents during this period may experience more intense emotions and, in some situations, need more support to anticipate the long-term consequences of their behaviors. Parents who pay attention to their child's emotions, validate their feelings, and set clear limits on traumatic behaviors can help develop the ability to recognize and manage emotions. For example, when a teen experiences anger or sadness after experiencing peer rejection, a parent's humiliating reaction may exacerbate feelings of shame and isolation, while empathetic listening and exploring ways to cope with the situation can allow for more adaptive responses. Poor emotion regulation is sometimes associated with impulsive behaviors, substance use, or aggression, as the adolescent may resort to behaviors that seem soothing in the short term but have undesirable consequences in the long term to quickly reduce psychological distress. A supportive parental relationship can help develop alternative strategies, such as problem-solving, asking for help, physical activity, and using relaxation skills. The role of parent communication in preventing high-risk behaviors can also be explained through increased self-efficacy. Self-efficacy refers to a person's belief about their ability to perform the behaviors required in a variety of situations. An adolescent who enjoys parental support and experiences the opportunity to practice decision-making in a safe environment may have greater confidence in their ability to reject risky proposals, deal with peer pressure, and ask for help. Family conversations about real-life situations, exploring the consequences of choices, and practicing assertive responses can increase a teen's readiness to face difficult situations. For example, parents can help a teen find ways to turn down a drug offer or leave an unsafe situation without feeling compelled to accept traumatic behaviors in order to maintain relationships with friends. Teaching assertiveness and decision-making skills will be most effective when it is accompanied by positive emotional connection and the possibility of open dialogue. If the adolescent is simply faced with repeated advice and fear-mongering warnings, they may ignore parenting messages or refuse to speak the truth when problems arise. On the other hand, open and non-humiliating communication does not mean acknowledging all of the teen's choices, but rather allows parents to express their dissent in a clear, respectful, and risk-appropriate manner. Parental supervision is another important mechanism for preventing high-risk behaviors that should be analyzed in relation to the quality of the family relationship. Effective supervision includes appropriate awareness of the adolescent's activities, friendships, commutes, and educational status, and does not necessarily require direct and permanent control of all his/her behaviors. Research on parental supervision shows that parental awareness can be formed to a large extent through the adolescent's willingness to share information and the quality of communication. When an adolescent is afraid of highly punitive or humiliating parental reactions, he or she is more likely to hide important information, thereby reducing the possibility of identifying risk. Therefore, effective supervision should be accompanied by mutual trust, clear rules, and predictable consequences. Parents can make specific agreements about when to return home, use the internet, commute to friends, and daily responsibilities, and discuss the need to amend agreements if circumstances change. In cyberspace, parental communication also plays an important role in preventing adolescents from being exposed to harmful content, cyberbullying, online deception, and risky digital behaviors. Absolute prohibitions and covert surveillance may lead to a decrease in trust in some situations, while media literacy education, privacy conversations, and explanation of danger signs can strengthen an adolescent's ability to self-care. However, in situations where there is an immediate danger, serious threat, or the possibility of exploitation, direct intervention and appropriate protective measures are necessary. The role of parental communication in the prevention of substance use is also of particular importance. Parents' attitudes toward substance use, their behavioral patterns, the quality of the conversation about the consequences of use, and the extent to which the adolescent has access to family support can influence his attitudes and decisions. Preventive conversations are more valuable when they begin before the teen is seriously exposed to peer pressure, and provide accurate, age-appropriate information rather than just focusing on intimidation. Parents should allow for difficult questions and avoid turning any conversation into interrogation or punishment. If the teen has experienced substance use, severe blame may increase secrecy and make it difficult for the teen to access help, in which case it is important to assess the severity of the use, examine the underlying factors, and receive specialized services. In the context of risky sexual behaviors, a trust-based relationship can help raise awareness about consent, personal boundaries, abuse prevention, and responsible decision-making. The family's complete silence about these issues may lead the adolescent to unreliable sources of information, while age-appropriate dialogue and family culture can provide an opportunity to correct false beliefs and identify threatening situations. In the prevention of aggression, violence, and law-breaking behaviors, the way parents communicate is also important. A family in which conflicts are managed through dialogue and problem-solving can be a good model for learning nonviolent behaviors. In contrast, corporal punishment, repeated threats, humiliation, and verbal violence may lead to the normalization of aggression or an intensification of the adolescent's defensive responses. However, not every adolescent who lives in a stressful family necessarily exhibits risky behavior, and having supportive relationships with a trusted adult, teacher, or school counselor can play a protective role. From a practical point of view, improving the quality of a teen's parent's communication requires training in communication skills, active listening, emotional reflection, non-judgmental questioning, and conflict resolution. Parents should be able to distinguish between behavior evaluation and the value of the adolescent's personality, which means criticizing inappropriate behavior, but not questioning the child's identity and dignity. Using statements that express parents' feelings and concerns without blame can reduce the likelihood of a teen becoming defensive. Setting aside regular time for positive interaction, participating in joint activities, and paying attention to the teen's daily experiences also help strengthen emotional bonding. The quality of the relationship is more stable when the conversation is not limited to the time of the problem, and the parents communicate with the adolescent about his successes, interests, friendships, and common concerns. One of the main challenges in this area is the difference between the parents' and the adolescent's perceptions of the quality of the relationship. Parents may perceive their parenting style as supportive, while the adolescent experiences the same behavior in a controlling or interventional manner. For this reason, family relationship assessment should not rely solely on parental reporting, and it is necessary to examine the adolescent's perspective directly and confidentially. Another challenge is to change communication needs during adolescence, as strategies that are effective in early adolescence may need to be reformed in later stages. Increased independence, expansion of peer relationships, and the formation of personal identities can create conflicts that can turn into lasting conflicts without parental flexibility. Cultural and social differences also affect how we express affection, accept independence, discuss sensitive topics, and define risky behavior. Therefore, educational interventions must be adapted to the values of the family, social circumstances, and developmental needs of the adolescent, without ignoring the fundamental principles of safety, respect, and the rights of the adolescent. Other challenges include economic pressures, long working hours of parents, single-parent families, marital conflicts, psychological illnesses of parents, and limited access to counselling services. These conditions may reduce parents' emotional and temporal capacity to communicate consistently, but they should not be interpreted as a sign of their apathy or definite ineffectiveness. Social support, parenting skills training, and access to specialized services can reduce some of these barriers. An important limitation in research on adolescent parental communication is that a significant part of the findings are based on correlation studies and self-reported reports, so observing the relationship between the quality of family relationship and high-risk behaviors alone does not prove a causal relationship. Poor family communication may increase the likelihood of high-risk behaviors, but the occurrence of these behaviors can also lead to increased conflict, decreased trust, and more difficult to talk to parents. This two-way relationship highlights the necessity of using longitudinal designs and multi-source methods. On the other hand, the definition of high-risk behavior, age, gender, and cultural differences, sampling methods, and measurement tools can affect the results of researches. Some studies may also underestimate the true rate of high-risk behaviors or family conflicts due to the respondents' tendency to present a favorable social image of themselves. Also, it cannot be assumed that all high-risk behaviors arise from the same psychological mechanism; for example, substance use, violence, and harmful internet behaviors may be related to cognitive vulnerabilities, peer pressure, educational difficulties, social exclusion, or traumatic experience, in addition to family factors. For this reason, a comprehensive explanation of this phenomenon requires considering the interplay of individual, family, and environmental factors. Another limitation is that increased parental supervision does not always lead to a reduction in risky behaviors, and may foster resistance and secrecy in situations where supervision is accompanied by coercion, threats, or severe invasions of privacy. The effectiveness of monitoring depends on the quality of the relationship, the appropriateness of the constraints to the age of the adolescent, the level of risk, and the manner in which he participates in decision-making. Also, warm and intimate communication alone does not replace specialized intervention in cases such as substance dependence, self-harm, severe violence, or abuse. In this situation, professional evaluation, a safety plan, and cooperation with mental health professionals and support institutions are necessary. To improve the accuracy of future research, it is recommended to use longitudinal studies, examine individual differences, analyze the mediating role of emotion regulation and self-efficacy, and investigate the moderating role of social support. Also, evaluating family-centered interventions in educational settings and counseling centers can clarify which communication components have the greatest impact on reducing high-risk behaviors. Preventive programs are best to engage parents and adolescents simultaneously so that both groups have the opportunity to express their expectations, concerns, and needs and reach an agreement to manage difficult situations. Teaching conflict resolution skills, non-violent dialogue, emotion regulation, decision-making, and resistance to peer pressure should be accompanied by continuous evaluation of behavioral changes and the quality of family relationships. Paying attention to economic, cultural, and family structure differences is also important to increase the accessibility and effectiveness of these programs. Theoretical and research findings in this field support the view that the adolescent parent relationship is one of the important sources of support and prevention, but its effect is formed in interaction with other protective and risky factors. An adolescent who has the possibility of open dialogue, emotional support, an experience of responsible independence, and appropriate supervision in the family will have more opportunity to develop decision-making skills and deal with threatening situations. This relationship builds the most protective capacity when mutual respect is accompanied by clear demarcation, emotional acceptance with responsibility, and emotional support with access to specialized resources. Paying attention to these principles can pave the way for the design of more realistic preventive interventions and help families use strategies based on trust, education, and participation rather than relying on excessive punishment and control. Strengthening the adolescent parent's relationship is not only important in reducing the likelihood of certain risky behaviors, but it can also help improve mental health, increase a sense of belonging, promote resilience, and form healthier social relationships during adolescence and later stages of life.