Vitamin D Deficiency in the United States: Health Impacts, Mental Wellbeing, Maternal-Fetal Outcomes, and Public Health Strategies

Vitamin D deficiency is a growing public health concern in the United States, affecting millions of people of all ages. Beyond its essential role in bone health, vitamin D is critical for immune function, mental health, chronic disease prevention, and healthy fetal development.

This comprehensive guide explores the causes, health consequences, and prevention strategies for vitamin D deficiency, drawing on the latest research and national data. Readers will learn about:

• The physiological roles and sources of vitamin D
• Causes of deficiency including lifestyle, diet, and chronic conditions
• Health impacts on bones, cardiovascular system, immunity, mental health, and cognition
• Maternal and fetal risks associated with deficiency during pregnancy
• Evidence-based strategies for screening, supplementation, fortification, and public health interventions

Whether you are a healthcare professional, student, researcher, or health-conscious individual, this book provides a complete, actionable, and evidence-based resource to understand, prevent, and manage vitamin D deficiency in the United States.