Since 2020, public attention has largely focused on infectious diseases such as COVID-19 and vaccine-preventable illnesses like measles and tuberculosis. However, an alarming rise in several chronic, developmental, and mental health conditions suggests a deeper crisis in population health, especially in the United States. This article outlines key health trends that deserve greater attention, including sudden cardiac events, mental health disorders, obesity and type 2 diabetes in adolescents, and the resurgence of various cancers.
Sudden Cardiac Death and Vascular Events
Sudden cardiac death (SCD), once relatively rare among young adults, has shown an increase in prevalence. Between 1999 and 2020, the age-adjusted mortality rate for SCD among U.S. adults aged 25-44 rose from 0.10 to 0.18 per 100,000; a significant public health concern (The Cardiology Advisor, 2025). Additionally, deaths from aortic aneurysms have become more frequent among adults, though definitive recent data is still emerging.
Infant Mortality and Early-Life Risk
The U.S. infant mortality rate rose by 3% in 2022 to 5.6 deaths per 1,000 live births, the first increase in two decades. The rise was especially significant in states like Georgia, Texas, and Missouri, and among infants born to White and Native American women. Contributing factors include maternal health complications and bacterial sepsis (Falconer, 2023).
Mental Health Crisis and Suicide
The COVID-19 pandemic has exacerbated mental health conditions, particularly among adolescents and young adults. Increased rates of anxiety, depression, and suicide have been documented, with long-term consequences expected. A significant contributing factor has been the reduction in school-based mental health support following the expiration of pandemic relief funding (Houston Chronicle, 2024).
Adolescent Obesity and Type 2 Diabetes
Obesity affects nearly 1 in 5 U.S. youth aged 2-19 years, with disproportionately high rates among Hispanic and non-Hispanic Black populations (Childhood Obesity Facts, 2024). Concurrently, the incidence of type 2 diabetes in adolescents has risen sharply. Projections suggest a 700% increase by 2060 if current trends continue (Diabetes in Young People Is on the Rise, 2024).
Alzheimer’s Disease: A Looming Epidemic
Currently, over 6.9 million Americans aged 65 and older are living with Alzheimer’s disease. This figure is expected to double to 13.8 million by 2060 due to aging demographics and unknown environmental and lifestyle factors (Alzheimer’s Association, 2024).
Colorectal and Pancreatic Cancers in Younger Adults
Although colorectal cancer rates have declined overall due to better screening in older adults, incidence in younger populations (ages 25-50) has doubled since 1995. Advanced-stage diagnoses are increasing at a rate of 3% annually in adults under 50 (American Cancer Society, 2023). Similarly, pancreatic cancer is on the rise, particularly among young women, with experts noting a significant and concerning shift in the disease burden (Harnisch-Weidauer, 2024).
Conclusion
The rise in both communicable and non-communicable diseases since 2020 signals a multi-faceted public health challenge. While infectious diseases tend to dominate media cycles, chronic conditions, mental health issues, and early-onset cancers are equally pressing. These trends underscore the urgent need for holistic prevention strategies, health education, and early interventions that go beyond vaccination campaigns and address root causes like nutrition, stress, environmental toxicity, and healthcare inequality.
References:
Alzheimer’s Association. (2024). *2024 Alzheimer’s disease facts and figures*. https://pubmed.ncbi.nlm.nih.gov/38689398/
American Cancer Society. (2023). Colorectal Cancer Facts & Figures 2023-2025. https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-and-statistics/colorectal-cancer-facts-and-figures/colorectal-cancer-facts-and-figures-2023.pdf
Childhood obesity Facts. (2024, April 2). Obesity. https://www.cdc.gov/obesity/childhood-obesity-facts/childhood-obesity-facts.html
Diabetes in young people is on the rise. (2024, May 15). Diabetes. https://www.cdc.gov/diabetes/data-research/research/young-people-diabetes-on-rise.html
Falconer, R. (2023, November 1). U.S. infant mortality rate rises for first time in over 2 decades. Axios. https://www.axios.com/2023/11/01/us-infant-mortality-rate-rises-first-time-two-decades
Harnisch-Weidauer, L. (2024, November 18). What you need to know about rising pancreatic cancer rates. Dana-Farber Cancer Institute. https://blog.dana-farber.org/insight/2024/11/what-you-need-to-know-about-rising-pancreatic-cancer-rates/
Houston Chronicle. (2024). *Mental health crisis in students persists post-COVID*. https://www.houstonchronicle.com/news/houston-texas/education/hisd/article/texas-covid-mental-health-crisis-20205168.php
Partain, C. (2025, March 13). Houston students’ mental health still hasn’t rebounded from COVID. Houston Chronicle. https://www.houstonchronicle.com/news/houston-texas/education/hisd/article/texas-covid-mental-health-crisis-20205168.php
The Cardiology Advisor. (2025, March 5). Sudden cardiac death rate increasing for younger adults in the US. https://www.thecardiologyadvisor.com/news/sudden-cardiac-death-rate-increasing-for-younger-adults-in-the-us/
Winston, S., & Winston, S. (2022, May 13). COVID-19 has harmed students’ social-emotional wellbeing, making it even more difficult to learn | Innovate Public Schools. Innovate Public Schools | a World-Class Public School for Every Student. https://innovateschools.org/research-and-data/learning-loss/covid-19-has-harmed-students-social-emotional-wellbeing-making-it-even-more-difficult-to-learn/
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