Schizophrenia. Damage to the frontal lobe of the brain may result in a loss of smell and/or taste.

Egg Yolks. Cholesterol is not found in plant foods such as vegetables.

Cataract. Cataracts are the world's #1 cause of blindness.

Antibiotics. WHO's goal in limiting the unnecessary use of antibiotics in animals is to preserve antibiotic effectiveness in treating human diseases.

CRISPR. The gene-editing tool CRISPR allows scientists to cut and paste precise portions of DNA, offering a path new treatments or cures for genetic diseases.

13. You have to consume most of the vitamins your body needs because it cannot make them on its own.