Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
knowledge on a disease
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "knowledge on a disease" is not the most appropriate expression in written English; "knowledge of a disease" would be more correct.
You can use it when discussing someone's understanding or information regarding a specific disease, but it is better to use the alternative phrasing. Example: "Her knowledge of the disease helped her provide better care for her patients."
Science
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
In general, health education may improve patients' knowledge on a disease and its therapy leading to better treatment adherence and patients taking a more positive role in the management of their health [ 6- 10].
Science
The major strength of our study is that, to our knowledge, this is the first study in which data of a large group of healthy children and adolescents was used to expand knowledge on a disease specific instrument for CF. These data help to improve the interpretation of health-related quality of life assessment in CF using the CFQ.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Expanding children's overall capacity for health rather than increase of knowledge on a particular disease was emphasized [18].
Science
This app will help users to advance their knowledge on disease mechanism and disease comorbidities in a quantitative and graphical way.
Science
Many popular gene prioritization methods that rely on prior knowledge about a disease use either text-mining approaches or Gene Ontology annotations to score candidates based on relevance to query.
Science
Similar findings have been observed previously: for instance, Mårtensson et al. showed improvement of the knowledge on periodontal disease after a mass media campaign among Swedish population [ 21].
Science
To prepare for his text-mining project on breast cancer articles, for example, Dr. Liebman spent months building a framework of knowledge on the disease so that the software could categorize articles and concepts in a meaningful way.
News & Media
With the speedy development of bioinformatics, organization of knowledge on drug, disease and target inaugurated a brand-new era in drug target identification and discovery.
Science
This indicates a lack of clinical knowledge on this disease.
Science
Possibly, they might have a higher than usual level of knowledge on their disease, and of information on centers of expertise.
Science
Having a long professional experience was significantly associated with appropriate knowledge on CC disease (aOR = 5.0; 95% CI [2.9-8.7]; p = 0.01) and on CC prevention (aOR = 2.2; 95% CI [1.3-3.6]; p = 0.01) among midwives (Table 4).
Science
Expert writing Tips
Best practice
While "knowledge on a disease" is understandable, prefer using "knowledge of a disease" for better grammatical flow and wider acceptance.
Common error
Avoid using "on" when "of" is grammatically more appropriate. While sometimes acceptable, "knowledge of a disease" provides a clearer and more standard expression.
Source & Trust
83%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "knowledge on a disease" functions as a noun phrase, where "knowledge" is the head noun and "on a disease" acts as a prepositional phrase modifying it. Ludwig provides examples of its use in scientific and medical contexts.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "knowledge on a disease" refers to the understanding and awareness of a particular illness. While technically acceptable, Ludwig suggests that "knowledge of a disease" is more grammatically sound and widely preferred. Its primary function is to describe the extent of understanding about a disease, commonly in scientific and medical contexts. Although not incorrect, opting for "knowledge of a disease" can enhance clarity and precision in writing. As Ludwig AI mentions, although you can use it sometimes, it's better to prefer the alternative."
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
understanding of a disease
Replaces "knowledge on" with the more standard "understanding of", improving grammatical correctness.
awareness of a disease
Substitutes "knowledge" with "awareness", emphasizing recognition and consciousness rather than detailed understanding.
expertise in a disease
Focuses on having specialized or expert knowledge related to a disease.
familiarity with a disease
Suggests a general acquaintance and understanding of a disease.
insight into a disease
Emphasizes a deeper, more intuitive understanding of a disease's complexities.
comprehension of a disease
Highlights a thorough and complete understanding of a disease.
grasp of a disease
Indicates a firm and complete understanding of a disease.
information about a disease
Focuses on having data and facts regarding a disease.
learning about a disease
Emphasizes the process of acquiring knowledge related to a disease.
data on a disease
Highlights the available facts and figures pertaining to a disease.
FAQs
What's a more grammatically sound alternative to "knowledge on a disease"?
A more grammatically standard alternative is "knowledge of a disease", which aligns with conventional English usage.
Is "knowledge on a disease" technically incorrect?
While not strictly incorrect, "knowledge on a disease" is less common and less preferred than "knowledge of a disease". Ludwig AI indicates that the phrase "knowledge on a disease" is not the most appropriate expression in written English.
How can I improve my writing about medical topics?
Focus on using precise and standard grammatical structures. Instead of "knowledge on a disease", opt for "knowledge of a disease" or "understanding of a disease" for clarity.
When is it acceptable to use "knowledge on a disease"?
You can use "knowledge on a disease" when discussing someone's understanding or information regarding a specific disease, but "knowledge of a disease" is generally better.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
3.8/5
Expert rating
Real-world application tested