A Look into Public Health

This year, Bioethics Project students are learning about public health. Public health offers a chance to explore science, ethics, policy, and real‑world problem‑solving all at once. It invites big questions: How do we balance individual freedom with community safety? Who is responsible for protecting shared resources? How do we make sure solutions are fair for everyone, especially those who are most at risk?

Public health is different from ordinary health care, which focuses on the health and safety of one person. Public health focuses on group, or “population,” health and safety. A population may be defined and described in different ways. It may be people who live in a particular area, such as a street, city, county, state, region, or country. It may be people of a certain age — “schoolchildren” or “the elderly,” for example. A population may consist of people of a certain ancestry, or who pursue certain types of employment, or who have a particular underlying health issue.  

All populations have needs that public health works to address. Some public health needs are shared by everyone — think of safe food, fresh air, clean water, and reliable shelter, to name just a few. Some populations, however, have different health-related needs and issues. People who live where there are relatively fewer doctors and hospitals may need better access to health care for physical and/or mental health disorders. There may be similarities and differences between what a safe farming workplace looks like and what a safe factory workplace looks like. Preparing for communicable illnesses, such as epidemics and pandemics, may look different in sparsely populated or densely populated communities. Public health experts work to investigate, identify, inventory, and develop solutions for public health issues that meet the needs of the communities they serve.   

Some public health challenges are longstanding: the presence of toxins in the air and water, for instance. Others, such as the impact of social media on mental health, developed more recently. Sometimes, advances in science and technology or novel collaborations among governments, corporations, nonprofit organizations, and communities produce effective solutions to difficult problems. Public health priorities may evolve and shift over time.  

A key goal of public health is to prevent illness or injury when possible and minimize its effects when it can’t be prevented. Public health officials ask: What can we do now to reduce the risk of future harm? Two examples of public health initiatives are dietary recommendations for people at risk for heart disease and diabetes and advertisements that encourage you to wash your hands and “cover your cough”; these and other measures are designed to promote awareness and help prevent or reduce the risk of illness or injury.  

When illness or injury can’t be prevented, the goal is mitigation. During the COVID-19 pandemic, for instance, to reduce its spread, public health measures in many areas of the country included distribution of test kits and protective equipment, vaccine clinics, “social distancing,” and occupancy limits in public spaces.   

Since September, students in the Bioethics Project have met with dozens of experts on a wide variety of topics, including addiction, comparative health systems, disability, drug addiction, foods, human trafficking, organ donation, and smoking. They’ve also heard from state and local public health educators, who gave them an overview of the framework and interplay of federal, state, and local public health departments and public health initiatives. Regarding the pandemic, students learned the role of local public health officials as well as state initiatives that came into play.  

Some public health work is like detective work — it involves researching, collecting, and analyzing information to identify signals of possible problems and figure out possible solutions. Other public health work involves the collaborative development of laws, regulations, standards, and strategies to ensure that populations are safe and supported. Still other public health work focuses on measuring the impacts of those laws, regulations, standards, and strategies to see if and how they’re working, and, when necessary, adapting them to changing needs and conditions. 

Public health is a multidisciplinary field, and people with many types of talent and training are needed to address the wide array of issues. Whether you’re interested in biology, law, engineering, psychology, or community service, there’s a place for you in the field of public health.  

In March, you’ll have an opportunity to learn about many public health issues during the Bioethics Symposium. We look forward to seeing you there!