Low vitamin D levels linked to sleep problems in people with Parkinson’s

Low vitamin D levels linked to sleep problems in people with Parkinson’s

PanARMENIAN.Net - Low vitamin D levels are associated with a greater tendency for falls, sleep problems, anxiety, and depression in people with Parkinson’s disease, according to a recent study, Parkinson's News Today reports.

The findings, “Relationship between 25‐Hydroxyvitamin D, bone density, and Parkinson’s disease symptoms,” were published in the journal Acta Neurologica Scandinavia.

Vitamin D deficiency and low bone mass are frequently observed in people with Parkinson’s disease (PD). In fact, one particular study found that lack of this vitamin is more common in people with Parkinson’s (55% of patients) than other populations, such as people with Alzheimer’s disease (41% of patients).

But the relationship between vitamin D levels and Parkinson’s has remained controversial. Some studies suggest that taking vitamin D3 — a form of vitamin D used in supplements — can stabilize the disease, while others see no relation with the risk of Parkinson’s.

However, most studies have focused on limited aspects of the disease and did not include important outcomes — notably, non‐motor symptoms.

Vitamin D has a vital role in bone health, since it promotes calcium absorption and bone mineralization, which keeps bones strong and healthy. It also blocks the release of parathyroid hormone (PTH), an hormone that promotes bone tissue reabsorption and bone thinning.

Some studies support that lack of vitamin D results in a greater risk of falls and fractures in Parkinson’s patients, which can increase hospitalization and even fatal disability. Its levels also have been associated with cognition and mood, as well as stomach malfunction, in people with the disease.

While it is possible that deficits in this vitamin impact several symptoms of PD, the connection remains unclear.

To shed light on this relationship, researchers at the Second Affiliated Hospital of Soochow University and Soochow University, in China, set out to determine if vitamin D levels correlated with bone mineral density (BMD) and non‐motor symptoms in Parkinson’s patients.

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