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.
The gene for achondroplasia, the most common type of dwarfism, was discovered in 1994. Achondroplasia is caused by a gene mutation that is the same in 98% of the cases. The mutation, affecting growth, especially in the long bones, occurs early in fetal development in one out of every twenty thousand births.