Medicis Aesthetics, the makers of Restylane and Perlane, was behind Dysport, and they presented the first real competition to Botox. Dysport is now owned by Galderma and has gained traction as a popular botulinum toxin for wrinkle reduction to the point where many patients now request it by name.
Epistemology (/ÉªËpÉªstÉªËmÉlÉdÊi/ ( listen); from Greek á¼ÏÎ¹ÏÏÎ®Î¼Î·, epistÄmÄ, meaning 'knowledge', and Î»ÏÎ³Î¿Ï, logos, meaning 'logical discourse') is the branch of philosophy concerned with the theory of knowledge. Epistemology studies the nature of knowledge, justification, and the rationality of belief.
The word epistemology is derived from the Greek epistÄmÄ meaning knowledge and logos meaning speech or word, in this context denoting codified knowledge of.his is distinguished from  knowledge how  and  acquaintance-knowledge . For example: in mathematics, it is known that 2 + 2 = 4, but there is also knowing how to add two numbers and knowing a person (e.g., oneself), place (e.g., one's hometown), thing (e.g., cars), or activity (e.g., addition).