6: Non-Communicable Diseases
- Page ID
- 237528
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)Over time, the epidemiological transition shifted from infectious diseases to long-term conditions, which we will term "non-communicable diseases". Understanding the rates and prevalence of non-communicable diseases enables public health to implement interventions, such as urban planning for physical activity, tobacco taxation, and food security policies, to modify the environments where people live, work, and age. Ultimately, the goal is to reduce disease prevalence and health inequities by making the healthy choice the default choice for the population, thereby extending life expectancy and reducing the collective economic burden of long-term disability.
In the following sections, we will discuss the current landscape of non-communicable diseases in the United States and then focus on strategies within a population health approach to reduce their burden.
- 6.1: Non-Communicable Diseases and Public Health
- This page discusses non-communicable diseases (NCDs) as chronic health conditions that are the leading causes of death in the U.S., making up 58% of total deaths in 2022. Key risk factors include smoking and poor nutrition, with an aging population expected to worsen incidence rates and healthcare costs. The opioid epidemic further affects life expectancy, especially among younger adults.
- 6.2: Screening
- This page discusses the importance of disease screening for identifying asymptomatic individuals early, which can lead to better treatment outcomes. It outlines the benefits and limitations of screening, including the potential for false positives and negatives. Successful programs rely on specific criteria such as disease prevalence and test feasibility.
- 6.3: Interventions
- This page discusses multiple risk factor reduction interventions that target various health risks together for better outcomes, such as heart health management through lifestyle changes. It highlights cost-effective strategies, including childhood vaccinations, that reduce overall medical expenses.
- 6.4: Genetic Testing
- This page highlights the importance of genetic testing in mitigating chronic diseases through early detection and personalized healthcare strategies. It emphasizes how genetic tests, like BRCA mutation screening, can lead to better patient outcomes and reduced healthcare costs. By advocating for precision medicine, it shifts from a one-size-fits-all approach to tailored health solutions, benefiting both individuals and communities.
- 6.5: Research
- This page emphasizes the importance of research in improving population health, particularly for chronic diseases such as Alzheimer's, projected to affect 6.7 million older adults by 2060. It highlights effective strategies from studies, including mental stimulation, physical activity, and cardiovascular risk reduction, which can help manage Alzheimer's.

