World Hepatitis Day, observed July 28, aims to raise global awareness of hepatitis B and hepatitis C and encourage prevention, diagnosis, and treatment. It has been led by the World Hepatitis Alliance since 2007 and in May 2010, it received global endorsement from the World Health Organization.
Medical Definition of joule. : a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter.
1 The Definition of a Joule There are many different ways of measuring energy, but one of the most commonly accepted measurements of energy is the unit known as the joule. 2  This unit of measurement can bâ¦. 3  The Periodic Table of Elements Life is sustained by a number of chemical elements.