Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

Sufferers often have few symptoms but too little can affect day to day life and can be serious for long-term health ...

“In some countries, at-home vitamin D deficiency tests are available, but they require a finger prick blood sample. To determine vitamin D sufficiency status in a more convenient and less ...

Vitamin D deficiency: Vitamin D deficiency can cause excessive daytime sleepiness in older ... Diagnosis of hypersomnia: This ...

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, When, and Where Clinically speaking, things began to change in the 1970s when the blood test for vitamin D (known as the "25-OH vitamin D ...

Read each question carefully and answer as truthfully as possible. After finishing the Vitamin Test, you will receive a detailed, personalized interpretation of your score that includes diagrams ...

A doctor says two diseases common in the UK hundreds of years ago are making a comeback as many people are unaware of what ...

"In children, the same deficiency in vitamin D or calcium is called rickets. Despite almost disappearing in the Western world ...

So many remedies from the 18th and 19th Centuries have not stood the test of time. We no longer, for instance ... The ...

reducing natural Vitamin D synthesis. High deficiency levels among adults and people of various age groups underscore the ...

reducing natural Vitamin D synthesis. High deficiency levels among adults and people of various age groups underscore the ...

Some people also experience fatigue, aches and pains due to vitamin D deficiency. If you think you might have this deficiency, ask your doctor to order a blood test. They can help you determine ...