Eating 1 cup of chopped carrots provides you with 10,605 micrograms of vitamin A, which is far more than the 900 micrograms required daily for men or 700 micrograms for women, according to the Linus Pauling Institute.
Rare exceptions are usually the result of a secondary factor, such as excess fluid around the brain (hydrocephalus). The most common cause of dwarfism is a disorder called achondroplasia, which causes disproportionately short stature. This disorder usually results in the following: 1  An average-size trunk.
Genetic Changes. Mutations in the FGFR3 gene cause achondroplasia. The FGFR3 gene provides instructions for making a protein that is involved in the development and maintenance of bone and brain tissue. Two specific mutations in the FGFR3 gene are responsible for almost all cases of achondroplasia.