A 2019 study in 480 older adults linked vitamin D deficiency with fatigue symptoms. A 2020 study in 39 children associated low vitamin D levels with poor sleep quality, shorter sleep duration, and ...

Chronic vitamin D deficiency can cause rickets, which is a softening of bone tissues as well. Fatigue, loss of appetite, ...

Slower-than-normal nail growth, brittle edges or unusual ridges may indicate more than cosmetic concerns. These changes might ...

A vitamin D deficiency is common, and it can lead to further health issues. Still, many people with the deficiency have no symptoms. Learn more here.

Vitamin D Deficiency Symptoms Your body needs vitamin D to absorb calcium, and calcium is crucial to bone health. Vitamin D is also important to muscles, the nervous system, and the immune system.

Discover the top reasons why you get white spots on your nails, from frequent manicures to vitamin deficiencies, and how to ...

Vitamin D deficiency is fairly common and many people don't feel symptoms even if they're low on it. Your doctor can do a blood test to check your vitamin D level.

Vitamin D deficiency, a widespread issue affecting billions globally, stems from insufficient sunlight exposure, diet, or absorption. It particularly impacts older adults and those with darker ...

“The majority of patients with [mild-to-moderate] vitamin D deficiency have no symptoms,” says Allyson Ocean, M.D., a gastrointestinal oncologist at Weill Cornell Medicine based in New York City.