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Coronary Artery Disease and Vitamin D - many studies

13+ Vitamin D Life pages with Coronary ARTERY Disease in the title
5+ Vitamin D Life pages with Coronary HEART Disease in the title
CAD patients with low vitamin D were 1.6 X more likely to die – 27th meta-analysis Aug 2022
Cardiovascular category

Perplexity AI
Coronary artery disease (CAD) and coronary heart disease (CHD) are closely related terms that are often used interchangeably, but they have subtle differences in their definitions. Both refer to the buildup of plaque in the coronary arteries that supply blood to the heart, which can lead to angina, heart attacks, and other complications. healthline+2
Key Differences

Coronary Artery Disease (CAD): This is technically the broader term referring to the condition where plaque builds up in the coronary arteries, causing narrowing or blockages that limit blood flow to the heart muscle. mayoclinic+1
Coronary Heart Disease (CHD): CHD generally describes the consequences of CAD—specifically, the damage to the heart muscle due to insufficient blood supply from narrowed or blocked arteries. In practice, CHD is a type of CAD, particularly the "obstructive" kind, meaning when plaque reduces or blocks blood flow. heart+1

Terminology in Practice

Healthcare providers commonly use CAD and CHD as synonyms, and both terms may refer to the same underlying disease process in the heart. cdc+2
Both terms describe the collection of symptoms and complications from reduced blood supply to the heart, including angina and heart attacks. healthline+2

Summary Table

Term	Definition	Usage Context
Coronary Artery Disease (CAD)	General term for plaque buildup in heart arteries	Medical, umbrella term
Coronary Heart Disease (CHD)	Heart muscle damage caused by reduced arterial blood supply	Often synonymous with CAD; specifically refers to disease consequences

In summary, CAD and CHD are not exactly the same, but in most conversations,
they are used to refer to the same condition—plaque-related problems in the arteries of the heart. heart+2
References

Coronary Artery Disease and Vitamin D - many studies

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- Peripheral Arterial Disease (PAD) and Vitamin D - several studies test cardio overview no lists Carotid plaques predicted by if low vitamin D (2X higher risk) – Jan 2025 Vitamin D Life Mega-Search (Interim Version) Cardiovascular Vitamin D Life collections of studies in one page MegaSearchOverview

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