Charles Harrison Blackley Charles Harrison Blackley Charles Harrison Blackley (5 April 1820 – 4 September 1900) was the discoverer of the mechanism behind allergic rhinitis caused by pollen, commonly called hay fever. The isolation of hay fever as a condition had been known since 1819 through the work of John Bostock. Blackley was the first to connect pollen to the condition, and though he held some later discredited views, his insight was an important step in the research of allergens. His most important work was a book titled the "Experimental Researches on the Causes and Nature of Catarrhus aestivus", published in 1873. Charles
Honeymoon rhinitis congestion as a reported side effect of Viagra use. Honeymoon rhinitis Honeymoon rhinitis is a condition in which the sufferer experiences nasal congestion during sexual intercourse. The condition appears to be genetically determined, and caused by the presence in the nose of erectile tissue which may become engorged during sexual arousal as a side effect of the signals from the autonomic nervous system that trigger changes in the genitals of both men and women. A related condition called sexually induced sneezing also exists, where people sneeze, sometimes uncontrollably, when engaging in or even thinking about sexual activity. A phenomenon presumably