Vitamin A Deficiency. Although not extremely common in the United States, a deficiency of vitamin A in the diet can have a significant effect on the body; vitamin A deficiency is associated with xerophthalmia, or dry eyes, and is also characterized by an increase in night blindness and can even lead to overall blindness.
A contract research organization (CRO) is an organization that provides support to the pharmaceutical, biotechnology, and medical device industries in the form of research services outsourced on a contract basis.ne estimate had the size of the market set to reach $24 billion in 2010 and set to grow at a rate of 8.5% through 2015. The top CROs, according to outsourcing-pharma.com, are Quintiles, Parexel, Pharmaceutical Product Development (PPD), INC Research, Covance, Medpace, PRA Health Sciences, inVentiv Health, and Chiltern.
ANIMAL RESEARCH. Animal research plays a crucial role in scientists' understanding of diseases and in the development of effective medical treatments. Research animals provide scientists with complex living systems consisting of cells, tissues and organs.he majority of research animals are used in experiments focused on disease treatment and prevention, and the treatment of injuries. Laboratory animals are also used in basic medical research, breeding other research animals and diagnosis.