Vitamin A

What is it?

Deficiency

Video

Overdose

-Excessive intake of Vitamin A can be toxic.

Glog by: Jasmine & Rebecca

Vitamin A

-Vitamin A is a group of unsaturated fat solubles that comes in various forms.

One form of Vitamin A, retinol

"Vitamin A deficiency is the leading cause of preventable, childhood blindness."-UNICEF

-Over 250,000 children in developing countries become blind each year due to Vitamin A deficiencies.

-Vitamin A is important for growth and development, the immune system and vision.

-It is needed by the retina in the eye in the form of retinol.

Why are carrots good for your eyes?They're one of the primary sources of Vitamin A.

Diagram of the eye

Can eating too many carrots really turn you orange?

Symptoms include: -Hair loss-Confusion-Liver damage -Bone loss

What do polar bears have to do with Vitamin A?

A polar bear's ability to store Vitamin A is so supberb that consuming a polar bear's liver can lead to Hypervitaminosis A.

Symptoms include: -Softening of the skull -Dizziness-Liver damage-Nausea/vomiting-Skin peeling-Vision changes

-An estimated 250 million preschool children are found to be Vitamin A deficient.

-The simplest form of treatment is stopping excessive intake.