Life Cycle Approach to Adolescent Health: Addressing Needs and Risks

Adolescence is more than just an awkward stage between childhood and adulthood. It is a window of opportunity where habits, health behaviours, and biological foundations get set for the rest of one’s life. Public health planners no longer treat this phase as a gap to be skipped over. Instead, they place it firmly within a life cycle approach, where every age has unique needs and every intervention has a ripple effect across generations. Understanding why adolescent health matters, and how it fits into this broader framework, is central to building a healthier population.

What is the life cycle approach? 🔗

The life cycle approach, sometimes called the life course approach, is a public health framework that recognises health as a continuous process. It views human life as a series of interconnected stages – pregnancy, infancy, early childhood, school age, adolescence, adulthood, and old age – where the health status of one stage directly influences the next. According to the World Health Organization, this approach reorients health systems to produce health and well-being by acknowledging that protective and risk factors interact during sensitive and critical periods throughout people’s lives and across generations.

In simple terms, an undernourished girl is more likely to become an anaemic adolescent, who in turn is more likely to deliver a low-birth-weight baby, who then faces a higher risk of poor growth in childhood. The cycle repeats unless an intervention breaks it. The life cycle approach is designed to identify these turning points and act before damage carries forward.

The continuum of care 🔗

A core idea inside the life cycle approach is the continuum of care. This means connecting services across time (from before pregnancy to old age) and place (from homes and communities to primary health centres and hospitals). India’s adoption of the Reproductive, Maternal, Newborn, Child and Adolescent Health (RMNCH+A) strategy in 2013 was a direct response to this thinking. By adding the “+A” for adolescents, policymakers acknowledged that the second decade of life was a missing link in the chain.

Why each stage matters 🔗

Each life stage carries its own dominant health challenges. As described in a classic review on the life cycle approach to child and adolescent health, the early years are dominated by infection, undernutrition, and growth concerns, while adolescence brings in chronic conditions, mental disorders, injury, substance use, violence, and emerging reproductive health needs. Both prevention and curative care matter at every stage, but the balance between them shifts as a person grows.

Who counts as an adolescent? 🔗

The World Health Organization defines adolescence as the period from 10 to 19 years of age. In India, this group is enormous. WHO India notes that every fifth person in the country is an adolescent and every third is a young person between 10 and 24 years. That makes the adolescent population one of the largest demographic blocks in the country, and the way their health is managed today will shape national outcomes for decades.

The two halves of adolescence 🔗

Adolescence is usually split into early adolescence (10-14 years) and late adolescence (15-19 years). The early years are marked by puberty, rapid physical growth, and emotional changes. The later years bring decisions around education, work, relationships, sexuality, and identity. A 13-year-old struggling with body image and a 18-year-old navigating contraception both need different but equally specific support.

Importance of adolescent health care 🔗

For a long time, adolescents were considered the “healthy” group sandwiched between childhood diseases and adult chronic illness. This assumption is now seen as a mistake. The “Adolescent Health” section of India’s National Health Mission recognises that this stage is when many adult health behaviours take root, and when a window opens for prevention that cannot be reopened later.

Nutrition and anaemia 🔗

Nutrition is one of the most pressing concerns. Adolescents need extra calories, protein, iron, and micronutrients to support their growth spurt. Yet the burden of undernutrition and micronutrient deficiency remains severe. According to data from NFHS-5, anaemia prevalence among adolescents aged 15 to 19 years rose to 59.2 percent, up from 54 percent in NFHS-4. Anaemia damages cognitive performance, lowers physical capacity, and increases risks during pregnancy. The Anaemia Mukt Bharat strategy, launched in 2018, uses the life cycle approach directly – targeting six population groups with prophylactic iron and folic acid supplementation through a 6x6x6 framework.

Sexual and reproductive health 🔗

Sexual and reproductive health (SRH) is another priority area. Adolescents need accurate information about puberty, menstruation, consent, contraception, and prevention of sexually transmitted infections. Early marriage and early pregnancy remain pressing problems. Teenage pregnancy increases the risk of complications during childbirth, low birth weight in newborns, and dropping out of education. Unsafe abortion is a particular concern in settings where adolescents lack confidential, judgement-free care.

Mental health 🔗

Mental health, long ignored in adolescent care, is now recognised as central. Anxiety, depression, self-harm, and suicide are rising concerns. Academic pressure, social media exposure, family conflict, and gender-based discrimination contribute to a load that adolescents are often expected to silently carry. Indian programmes have begun integrating mental health counselling into adolescent-friendly services, though access remains uneven.

Risky behaviour and injuries 🔗

Substance use, road traffic injuries, and gender-based violence cluster heavily in this age group. Tobacco, alcohol, and other drugs are often first tried during adolescence, and the patterns set here often determine adult addiction risk. Road traffic injuries are among the leading causes of death in young people globally. Violence – both in homes and in public spaces – disproportionately affects adolescent girls and gender minorities.

Non-communicable disease prevention 🔗

Many adult-onset non-communicable diseases like diabetes, hypertension, and heart disease have origins in adolescent habits. Diets high in ultra-processed foods, sedentary lifestyles, and weight gain during adolescence raise long-term risk. Early prevention through physical activity, balanced nutrition, and screening is far more cost-effective than treating disease later.

India’s response: Rashtriya Kishor Swasthya Karyakram 🔗

India’s flagship adolescent health programme is the Rashtriya Kishor Swasthya Karyakram (RKSK), launched by the Ministry of Health and Family Welfare in January 2014. According to the National Health Mission, the programme reaches out to 253 million adolescents – male and female, rural and urban, married and unmarried, in-school and out-of-school – with a special focus on marginalised groups.

The six strategic priorities 🔗

RKSK widened the scope of adolescent health programming from just sexual and reproductive health to six thematic areas: nutrition, sexual and reproductive health, mental health, injuries and violence (including gender-based violence), substance misuse, and non-communicable diseases. These align closely with the global priorities for adolescent health identified by WHO and UN agencies.

Delivery mechanisms 🔗

RKSK runs through three main channels. Adolescent Friendly Health Clinics (AFHCs) at primary health centres and higher facilities provide counselling, examination, and referral. Peer Educators (Saathiyas) work in communities to share information in a relatable way. Adolescent Health Days bring services to villages and schools. The 2020 launch of the School Health and Wellness Programme further integrated health with education, recognising the synergy between the two sectors.

Gaps in implementation 🔗

Despite the design, awareness and utilisation remain low. A cross-sectional study in Central India found that only 9.5 percent of surveyed adolescents were aware of AFHC services, and the utilisation rate stood at just 2.74 percent. This points to a gap between policy ambition and on-ground delivery – one that demands stronger outreach, better-trained providers, and reduced stigma around accessing such clinics.

Public health implications of adolescent health 🔗

Investing in adolescent health is not a soft welfare gesture. It has measurable public health and economic returns. The World Health Organization frames it as a “triple dividend” – benefits to adolescents now, to their future adult lives, and to the next generation they will raise.

Breaking the intergenerational cycle 🔗

A healthy adolescent girl is more likely to grow into a healthy mother, and her children are more likely to be born at a healthy weight with better growth prospects. Conversely, an undernourished, anaemic, or stressed adolescent carries those disadvantages into pregnancy and parenting. Programmes like Anaemia Mukt Bharat and RKSK explicitly aim to interrupt this chain.

Demographic dividend 🔗

India’s large adolescent population is often described as a demographic dividend – a potential boost to economic productivity if young people are healthy, educated, and skilled. If they are not, the same demographic becomes a demographic burden. Health is a precondition for the dividend to be realised.

Sustainable Development Goals 🔗

Adolescent health intersects with almost every Sustainable Development Goal – from poverty and hunger to education, gender equality, decent work, and reduced inequalities. Investing here is not a single-sector intervention; it is foundational to achieving wider development targets.

Rights and dignity 🔗

Finally, adolescent health is a matter of rights. Young people have the right to accurate information, confidential services, freedom from violence, and the ability to make informed decisions about their own bodies and futures. Public health systems that respect these rights – rather than moralising or controlling – get better outcomes and build trust with the very population they serve.

Looking ahead 🔗

The life cycle approach reframes health as something built across a lifetime, not a series of disconnected emergencies. Adolescence sits at the centre of this framework – a stage where small investments yield enormous returns and where neglect creates damage that follows people for decades. India’s policy architecture, from RKSK to Anaemia Mukt Bharat to the School Health and Wellness Programme, reflects an evolving understanding that this stage cannot be skipped. What remains is to close the gap between policy on paper and services that adolescents actually reach, trust, and use.

What do you think? If you had to identify one adolescent health issue that deserves more attention in your community, which would it be – and why is it being overlooked? How might schools, families, and health systems work together more closely to make adolescent-friendly services genuinely accessible?

References

1. https://www.who.int/our-work/life-course
2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7271491/
3. https://pubmed.ncbi.nlm.nih.gov/15508417/
4. https://www.who.int/india/health-topics/adolescent-health
5. https://nhm.gov.in/index1.php?lang=1&level=2&sublinkid=818&lid=221
6. https://pmc.ncbi.nlm.nih.gov/articles/PMC11531798/
7. https://www.pib.gov.in/PressReleasePage.aspx?PRID=1795421
8. https://www.tandfonline.com/doi/full/10.1080/26410397.2023.2283983
9. https://pmc.ncbi.nlm.nih.gov/articles/PMC10823886/
10. https://pmc.ncbi.nlm.nih.gov/articles/PMC9810962/