Editing Thomas Young (scientist) (section)

===Medicine===
In physiology Young made an important contribution to [[haemodynamics]] in the Croonian lecture for 1808 on the "Functions of the Heart and Arteries," where he derived a formula for the wave speed of the pulse<ref>{{cite book | title = Thomas Young's research on fluid transients: 200 years on | author = Tijsseling, A.S., Anderson, A. | journal = Proc. of the 10th Int. Conf. On Pressure Surges (Editor S. Hunt), Edinburgh, United Kingdom, Pp. 21–33. | year = 2008 | publisher = BHR Group | isbn = 978-1-85598-095-2 }}</ref> and his medical writings included ''An Introduction to Medical Literature'', including a ''System of Practical Nosology'' (1813) and ''A Practical and Historical Treatise on Consumptive Diseases'' (1815).<ref name="EB1911" />

Young devised a rule of thumb for determining a child's drug dosage. Young's Rule states that the child dosage is equal to the adult dosage multiplied by the child's age in years, divided by the sum of 12 plus the child's age.