Learn how to age healthfully at every stage of life. From childhood nutrition to adult screenings and senior wellness, learn evidence-based tips for supporting long-term health and vitality.

When you think about healthy aging, chances are the image of older adults comes to mind. But the truth is, aging well isn’t something that begins at retirement; it’s a lifelong journey that starts in childhood. Every stage of life brings unique nutritional needs that set the foundation for future vitality. From building strong bones in childhood to preserving muscle mass in older adulthood, the choices we make at each decade help us age with strength, energy, and resilience.

Building the Foundation

Growing children (this includes ages 0–18 years) need more nutrients proportional to body size to support physical and cognitive development, especially protein, calcium, iron, omega-3s, essential amino acids, and vitamins D and A [1]. A balanced childhood diet fosters strong bones, keen learning, and healthy eating habits that stick. As children enter into classrooms for the first time, proper nourishment becomes even more important to support their brain function and focus. It’s here where parents and guardians should keep an eye out for excessive consumption of refined sugar, saturated fats, and unhealthy additives since poor nutrition is related to poor academic performance.

Standard pediatric screenings include growth and developmental milestones, vision and hearing tests, immunizations, and anemia checks (like iron screening). Ensuring those early foundations are strong paves the way for self-care habits later.

Establishing Stability and Resilience

Young adulthood (19–39 years) is about laying the groundwork. For women, folate remains essential (especially if pregnancy is on the horizon), while everyone benefits from protein, calcium and vitamin D to build bone mass, as well as B-vitamins and iron [2]. Eating a variety of fruits and vegetables on a daily basis helps you create the right mix of nutrient profiles. When you stock your refrigerator regularly with colorful fruits and vegetables or have a plan to order these when eating out; you not only establish lifelong habits, but you also lower your chances of heart disease, cancer, and other chronic diseases.

When it comes to screenings & preventive measures, consider the following:

• Blood pressure: should be checked regularly from age 18 [3].
• Lipid (cholesterol): baseline in early adulthood, with follow-up every 4–6 years in young adults [4].
• Reproductive health: women aged 21–39 should get a Pap smear every 3 years; ages 30–39 should consider the option to co-test with HPV every 5 years [5].
• Mental health and STIs/HIV: risk-based testing and regular check-ins are key [6].

Prevent and Sustain

For those in Middle Adulthood (40–64 years), this stage highlights plant-forward eating. After years of fighting carbs, it’s time to embrace whole grains, legumes, flavonoid-rich fruits and vegetables (like berries and oranges), plus lean proteins and omega-3s found in foods like walnuts and salmon. These foods support heart, brain, and metabolic health [7].

Regular physical activity supports your heart, brain, metabolism, and bones, all critical areas during and after menopause (and any other time of your life, obvs). Mindful movement can help manage and positively impact mental health, reducing stress and improving mood.

Key screenings in this life cycle should include the following:

• Cholesterol & blood sugar: continue per routine, with diabetes screening especially if you’ve previously received abnormal or borderline lab work.
• Colorectal cancer: start screening at 45 or 50, depending on guidelines [8].
• Breast cancer: mammograms every 2 years starting at age 40.
• Lung cancer: annual low-dose CT for adults 50-80 with heavy smoking history [9].
• Bone density: women over 65 need screening; earlier if risk factors exist [10].
• Vision & hearing: adults 40–64 should test every 2–4 years; 65+ every 1–2 years.
• Other preventive: depression, colon health, and general physicals as recommended [11].

Learn more about nutrition throughout the different stages of life and explore effective strategies for reducing the risk of chronic diseases as we age in this Wellness Webinar (which also touches on the social determinants of health).

Preserve, Thrive, and Protect

Welcome to Older Adulthood! At this stage (65+ years), nutrient absorption becomes a concern. Common deficiencies include protein, vitamin B12, vitamin D, calcium, and iron—all important for bone strength, muscle maintenance, and cognitive health [12]. Zinc, often overlooked, supports immune function, yet many adults over 60 fall short of recommendations. If they’re not already part of your meal planning repertoire, consider putting oysters, beef, pork, chicken, chickpeas, lentils, beans, pumpkin seeds, hemp seeds cashews, almonds, yogurt, quinoa, and eggs into rotation this month.

Screenings and checks for this life cycle include the following:

• Annual wellness visits: may include depression screening, cancer tests (e.g., breast, melanoma, colon), and vaccines (flu, pneumonia, shingles) often covered by Medicare [13].
• Dementia screening: yearly for cognitive concerns.
• AAA screening for men: one-time ultrasound for abdominal aortic aneurysm (AAA) at age 65+.
• Bone density, vision/hearing, and skin exams continue per risk, especially for post-menopausal individuals.
• Vaccinations: flu, COVID-19, RSV, pneumococcal, shingles which are all critical for older immune systems.

Across All Life Stages: Universals That Matter

Daily habits that should be considered throughout one’s life include balanced nutrition, regular movement, hydration, quality sleep, stress management, and mental stimulation are foundational. Being flexible and intentional with your choices can offer an excellent take on healthy habits without striving for perfection.

Social connection and fostering meaningful relationships and community support boost resilience across the lifespan. Having a preventive mindset and engaging with healthcare providers proactively ensures screening and nutrition are tailored to your life stage and individual risk.

Healthy aging isn’t reserved for older adulthood; it starts from the very first years and builds through each decade. By focusing on the right nutrients and timely health checks at every chapter of life, you’re investing in not just longevity, but quality, independence, and fulfillment. Wherever you are on your journey: nourish intentionally, screen thoughtfully, and keep the big picture in mind. Your future self will thank you.

References

1. PCRM Nutrition Guide for Clinicians. (n.d.). Nutritionguide.pcrm.org. https://nutritionguide.pcrm.org/nutritionguide
2. Hu, F. B. (2023). Diet strategies for promoting healthy aging and longevity: An epidemiological perspective. Journal of Internal Medicine, 295(4). https://doi.org/10.1111/joim.13728
3. ‌USPSTF. (2025). A and B recommendations. U.S. Preventive Services Task Force. https://www.uspreventiveservicestaskforce.org/uspstf/recommendation-topics/uspstf-a-and-b-recommendations
4. ‌Health Screenings by Age | Maryville Nursing. (2023). Maryville.edu. https://nursing.maryville.edu/blog/health-screening-recommendations-by-age
5. ‌Medline Plus. (2022, April 30). Health screenings for women ages 40 to 64: MedlinePlus Medical Encyclopedia. Medlineplus.gov. https://medlineplus.gov/ency/article/007467.htm
6. ‌Prevention & Wellness – Adult – Primary Care in Rochester and Kasson. (n.d.). Mayo Clinic Health System. https://communityhealth.mayoclinic.org/prevention-and-wellness/adult
7. ‌Dighriri, I. M., Alsubaie, A. M., Hakami, F. M., Hamithi, D. M., Alshekh, M. M., Khobrani, F. A., Dalak, F. E., Hakami, A. A., Alsueaadi, E. H., Alsaawi, L. S., Alshammari, S. F., Alqahtani, A. S., Alawi, I. A., Aljuaid, A. A., & Tawhari, M. Q. (2022). Effects of Omega-3 Polyunsaturated Fatty Acids on Brain Functions: A Systematic Review. Cureus, 14(10). https://doi.org/10.7759/cureus.30091
8. ‌Cancer Screening Guidelines by Age | American Cancer Society. (n.d.). Www.cancer.org. https://www.cancer.org/cancer/screening/screening-recommendations-by-age.html
9. ‌Centers for Disease Control and Prevention. (2024, May 24). Are You Up to Date on Your Preventive Care? Chronic Disease. https://www.cdc.gov/chronic-disease/prevention/preventive-care.html
10. ‌UCLA Health. (n.d.). PREVENTIVE HEALTH SCREENINGS, BY AGE. https://www.uclahealth.org/sites/default/files/documents/NewPatientGuide-PrevHealth_FINAL_091721.pdf
11. ‌A Guide to Annual Physicals After 40. (n.d.). Verywell Health. https://www.verywellhealth.com/healthy-aging-questions-to-ask-by-decade-6743819
12. ‌Kassis, A., Fichot, M.-C., Horcajada, M.-N., Horstman, A. M., Duncan, P. I., Bergonzelli, G., Preitner, N., Zimmermann, D., Bosco, N., Vidal, K., & Donato-Capel, L. (2023). Nutritional and lifestyle management of the aging journey: A narrative review. Frontiers in Nutrition, 9. https://doi.org/10.3389/fnut.2022.1087505
13. ‌Pomroy, K. (2025, February 6). 18 Things Medicare Gives You for Free. Kiplinger. https://www.kiplinger.com/retirement/medicare/what-medicare-gives-you-for-free