Vitamin D and Healthy Aging

The Introduction

vitamin DWe have known for many years that a deficiency of vitamin D has been linked to osteoporosis and bone fractures in older people. However, recent research has also linked Vitamin D insufficiency with higher incidences of many medical conditions that affect the risk of death, including hypertension, diabetes, cardiovascular disease, cancer, and infection. Research has shown that older people do not take in enough vitamin D in their diet, despite them knowing they need to. Moreover, older adults are at high risk for vitamin D insufficiency because of a lower ultraviolet (UV) B light exposure from lower levels of outdoor activity, especially in winter months and especially in colder climates. This study examined the relationships between a blood pre-cursor of vitamin D (serum 25-hydroxyvitamin – [25(OH)D)] levels) and mortality (death) in a representative U.S. sample of older adults over the age of 65 years.

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