Short answer · Medically reviewed summary · Last updated: 2026-05-08
Rickets is a skeletal disorder historically identified by the softening and weakening of bones in children, primarily due to extreme or prolonged vitamin D deficiency. First described in 17th-century medical literature, our understanding of rickets has evolved from a mysterious childhood ailment to a well-understood metabolic condition preventable through nutrition and sunlight exposure. When was rickets first described? While skeletal deformities consistent with rickets appear in ancient archaeological records, the disease was formally characterized in 1650 by English physician Francis Glisson.
What is the history of Rickets?
History of Rickets: when and how it was discovered, and the milestones in research since, medically reviewed.
Rickets is a skeletal disorder historically identified by the softening and weakening of bones in children, primarily due to extreme or prolonged vitamin D deficiency. First described in 17th-century medical literature, our understanding of rickets has evolved from a mysterious childhood ailment to a well-understood metabolic condition preventable through nutrition and sunlight exposure.
When was rickets first described?
While skeletal deformities consistent with rickets appear in ancient archaeological records, the disease was formally characterized in 1650 by English physician Francis Glisson. In his treatise De Rachitide, Glisson provided the first comprehensive clinical description of the condition, noting the characteristic bowed legs and enlarged joints that define rickets.
How has our understanding of rickets evolved?
For centuries, rickets was widely misunderstood, often attributed to "bad air" or poor hygiene in rapidly industrializing cities. By the early 20th century, researchers like Sir Edward Mellanby demonstrated that rickets could be induced in dogs through diet, leading to the discovery that the condition was a nutritional deficiency. Key milestones in the history of rickets include:
- 1919: Kurt Huldschinsky proved that ultraviolet light (sunlight) could cure rickets.
- 1924: The discovery that irradiating food with UV light created Vitamin D, leading to the fortification of milk.
- Modern Era: The identification of rare, hereditary forms of rickets, such as X-linked hypophosphatemic rickets, which are caused by genetic mutations rather than simple nutritional lack.
How did medical science correct historical misconceptions?
The greatest correction in the history of rickets was the transition from viewing it as an infectious or environmental "miasma" disease to recognizing it as a metabolic bone disorder. Today, advanced genomic testing allows clinicians to distinguish between nutritional rickets and genetic subtypes, ensuring that patients receive targeted interventions, such as phosphate supplementation or specialized hormone therapies, rather than generic vitamin D treatment.
Next steps
- Consult a pediatric endocrinologist if you suspect signs of bone development issues.
- Join the DiseaseMaps.org community to connect with others who have navigated the diagnosis of rickets.
- Request a blood panel from your physician to check calcium, phosphate, and 25-hydroxyvitamin D levels.
Medical disclaimer: This content is for educational purposes only and does not constitute professional medical advice, diagnosis, or treatment.
References
- NIH Genetic and Rare Diseases Information Center (GARD)
- Orphanet: Portal for rare diseases and orphan drugs
- Online Mendelian Inheritance in Man (OMIM)
- The Journal of Clinical Investigation: Historical perspectives on Vitamin D
