Adair was also widely published author, with a primary focus on medical texts. Works include,
Medical Cautions for the consideration of Invalids, which espoused the health benefits of Spa towns such as Bath,
An essay on diet and regimen, and
Essays on fashionable diseases [...[ and on Quacks and Quackery. Adair's irascible personality led to multiple disputes with his both his professional colleagues and those outside the medical community. These arose partly from a determined opposition to
quackery, but was also attributed to his hot temper, as evidenced by his time served in
Winchester Gaol for issuing a challenge to a duel. In addition to his medical work, he published a number of spiritual and satirical works including
The Methodist and the Mimick, under
nom de plume of Peter Paragraph. Most controversially however, was his 1790 anti-abolitionist pamphlet
Unanswerable Arguments against the Abolition of the Slave Trade, where Adair presented an argument that drew from his own experience on the plantations of Antigua, presenting
chattel slavery as a paternalistic system that provided a better quality of life for the enslaved people than freedom would
. == Family ==