What's Killing Us? The Top 5 Health Threats to Americans
3 min read
1 April 2025

Take outs

  • Despite spending more on healthcare than any other country, the U.S. lags behind other developed nations in life expectancy, infant mortality, and chronic disease rates.

  • Issues like heart disease, diabetes, and obesity contribute to poor health outcomes, placing a strain on the healthcare system. 

  • Improving public health policies, access to care, and a focus on prevention are essential for addressing the healthcare challenges facing the U.S. population.

What's Killing Us?
The Top 5 Health Threats to Americans

The state of healthcare in the United States is a complex mix of groundbreaking innovation and pressing challenges. Despite spending more on healthcare than any other country, millions of Americans still struggle with rising costs, unequal access, and a maze of insurance plans. Navigating through these hurdles to receive essential care often feels like an overwhelming task. While advances in medical technology and calls for greater transparency bring hope for the future, the question remains: will these changes be enough to meet the needs of a diverse and growing population?

When comparing the health of Americans to those in other developed countries, the situation becomes even more concerning. Despite its massive healthcare spending, the U.S. ranks poorly in key health metrics like life expectancy, infant mortality, and chronic disease rates. For example, American life expectancy lags behind countries like Japan, Canada, and many European nations. Additionally, chronic conditions like heart disease, diabetes, and obesity are rampant, contributing to premature deaths and a reduced quality of life for many. These ongoing challenges underline the urgent need for improvements in healthcare access, affordability, and public health initiatives—issues that millions of Americans face daily.

The Top 5 Health Threats to Americans

The health threats facing the U.S. today are often the result of chronic conditions, lifestyle choices, and environmental factors. These issues don’t just affect individual health—they place a tremendous strain on the healthcare system, too. Here are the top five health threats currently impacting Americans:

1. Heart Disease

Heart disease continues to be the leading cause of death in the United States. Conditions like coronary artery disease, heart attacks, and heart failure are tied to risk factors such as poor diet, lack of exercise, smoking, and high blood pressure. High cholesterol also contributes to the development of heart disease, making it one of the most significant public health challenges in the country.

Person in scrubs with stethoscope and paper love heart

 

2. Obesity

Obesity has become an epidemic in the U.S., with more than 40% of adults classified as obese. This condition significantly increases the risk of heart disease, stroke, diabetes, and certain cancers. Contributing factors include poor dietary habits, a lack of physical activity, and socioeconomic barriers. Obesity affects both adults and children, making it a widespread issue with long-term health consequences.

Measuring tape curling on a blue background

 

3. Diabetes

Diabetes, particularly type 2 diabetes, is another major health concern, affecting over 30 million Americans. This disease is often preventable through healthy eating and regular exercise. However, with rising obesity rates and poor lifestyle choices, more Americans are developing diabetes. If left untreated, diabetes can lead to complications such as kidney failure, nerve damage, and vision loss.

Person checking their blood sugar levels

 

4. Mental Health Disorders

Mental health issues such as depression, anxiety, and substance use disorders are increasingly common in the U.S. The COVID-19 pandemic has worsened these struggles, leading to higher rates of mental health challenges across the population. Mental health disorders impact quality of life and contribute to higher suicide rates and substance abuse-related deaths. Despite the growing need, access to mental healthcare remains a significant barrier for many individuals.

Man in blue shirt looking down and pulling his hair

 

5. Cancer

Cancer is the second-leading cause of death in the U.S., with lung, breast, prostate, and colorectal cancers being the most prevalent. While advancements in early detection and treatment have improved survival rates, cancer still remains a major health threat. Lifestyle factors, such as smoking, poor diet, and a lack of exercise, as well as environmental exposures like pollution, contribute to the high prevalence of cancer.

Doctor taking a patient's blood pressure

 

What Can We Do?

These health threats highlight the urgent need for better public health policies, improved access to care, and a stronger focus on prevention and healthy lifestyle choices.

If you're concerned about your health, seeing your GP is a crucial first step. They can offer personalized advice, help diagnose potential issues, and guide you toward the best course of action for your well-being. Early intervention is essential to maintaining good health, so don’t hesitate to make an appointment if you feel unsure or unwell. Your GP is there to support you and ensure you get the care you need.

If you lack healthcare coverage, don’t worry—there are still options for you. Many communities offer low-cost or sliding-scale clinics that provide essential services, regardless of your insurance status. You can also check if your state provides health programs that offer free or affordable care for uninsured individuals. Additionally, pharmacies and health centers often offer basic health services at reduced rates. It's important not to ignore your health—seeking out care from these resources can help you address your health concerns and improve your overall well-being.

Taking proactive steps to manage your health—whether through regular check-ups, lifestyle changes, or exploring available resources—can make a significant difference in preventing or managing the top health threats facing Americans today.