A 23‑year‑old special educational needs teacher collapsed at work, prompting renewed scrutiny of vitamin D deficiency across the United Kingdom. Saskia Reeves‑Priestley, who also plays as a goalkeeper four times a week, reported sudden dizziness, nausea, heart palpitations and an intense feeling of heat before losing consciousness.
Medical tests later showed her blood vitamin D levels were “next to nothing,” confirming a severe deficiency despite her active lifestyle. The incident underscores data from the National Diet and Nutrition Survey, which indicated that nearly a quarter of 11‑ to 18‑year‑olds were classified as deficient in the previous year.
Personal stories reveal hidden deficiency
Saskia’s experience is not isolated. In Liverpool, 21‑year‑old university student Amaka began shaking while preparing dinner, complained of blurred vision and was taken to A&E. She, too, received a diagnosis of vitamin D deficiency. Apart from persistent fatigue, Amaka reported no other symptoms, noting that her mother had also suffered from low vitamin D levels.
Both individuals began regular supplementation after diagnosis. Saskia has returned to her teaching duties and football goalkeeping, while Amaka says she feels considerably better but remains anxious about a possible recurrence.
Medical experts warn of silent health risks
Paediatric endocrinologist Dr Suma Uday describes vitamin D deficiency as “the silent disease” because its signs can be subtle and easily missed. She emphasizes that fatigue, joint and bone pain are common, and that prolonged deficiency can “silently eat away at the bones, leaving them softened and prone to breaks.”
Uday also cautions that a lifelong deficit can affect women across multiple stages—adolescence, pregnancy and early childhood—potentially impacting several generations if not corrected early.
Calls for policy change and broader supplementation
Clinicians and academics have formed the ACT NOW Vitamin D group, urging a raise in the threshold used to define deficiency. A higher cutoff, they argue, would capture more individuals with low levels and provide a clearer picture of the public health challenge.
Prof Martin Hewison of the University of Birmingham adds that, despite a century since vitamin D’s discovery, rickets remains present in the community, indicating that many still suffer from deficiency. He suggests that the government consider wider mandatory fortification of foods, citing Canada and Sweden as examples where such policies are in place.
In the UK, fortification of breakfast cereals and spreads with vitamin D is currently voluntary. Seasonal factors further complicate the issue; during winter months, reduced sunlight exposure leads to lower natural vitamin D synthesis.
Both experts agree that for certain high‑risk groups, supplementation may need to become routine. As awareness grows, the hope is that more people like Saskia and Amaka will receive timely testing and treatment before severe symptoms arise.
Steve Lopez is a Senior Editorial Columnist and Health & Public Policy reporter for News Raise. Steve focuses on healthcare advancements, medical technologies, and public health policies.




