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 the unit of energy in the International System of Units, also known as SI.It measures heat, electricity and mechanical work. It was named after English physicist James Prescott Joule. See the related links for more information.he joule is the unit of energy in the International System of Units, also known as SI.