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.
The joule is a unit of energy or work in the International System  of Units. It is equal to the work done by a force of one newton  acting through one metre. It is named aft â¦ er the English physicist  James Prescott Joule (1818-1889).he joule is the SI unit for energy. The unit of power is the watt (W), which is equal to one joule per second. Both the joule and the watt are derived units.