1. The level of methylmalonic acid is not elevated in folic acid deficiency . 2. These proteins are tailored for the well-known amino acid deficiencies in plants. 3. Its elevated presence in the blood is an indication of essential fatty acid deficiency . 4. Folic acid deficiency increases the risk of a baby being born with spinal cord defects. 5. Collins et al . 1970 were the first to demonstrate linoleic acid deficiency in adults. 6. ALA relieved essential fatty acid deficiency ; ELA did not. 7. A uric acid deficiency was implicated in this process. 8. In the 1950s Arild Hansen showed that infants fed skimmed milk developed essential fatty acid deficiency . 9. Essential amino acid deficiency should be distinguished from protein-energy malnutrition, which can manifest as marasmus or kwashiorkor. 10. A number of conditions can increase the risk of anencephaly, including malnutrition, folic-acid deficiency and certain medications.