Symptoms may include fatigue, bone pain, muscle weakness, mood changes, and frequent infections.

Treatment involves vitamin D3 supplementation through oral tablets or injections, depending on the severity of the deficiency.

Yes, diets low in vitamin D-rich foods like fatty fish, fortified dairy products, and egg yolks can lead to vitamin D3 deficiency.

Frequency depends on individual risk factors and health conditions. Consult your healthcare provider for personalized advice.

The test involves a simple blood draw with minimal risks, such as slight bruising at the puncture site.

Pain is managed with medication, and discomfort is usually minimal. Physical therapy helps alleviate stiffness and maintain joint mobility.

Candidates typically include individuals with severe obesity (BMI of 40 or higher) or those with a BMI of 35 or higher with obesity-related health issues.