Bone density is a measure of the amount of minerals in the bones. Getting enough calcium and vitamin D and doing resistance training can improve bone health.| Health
Signs of vitamin D deficiency include fatigue, bone loss, and weight gain. Vitamin D is essential for calcium absorption and immune, nerve, and muscle systems.| Health
Getting enough sleep, exercising, and eating a nutritious diet can help strengthen your immune system, preventing illness and speeding recovery when you get sick.| Health