Jarry developed an early interest in several paranormal topics such as ghosts and vampires as well as cryptozoology, but progressively abandoned those beliefs while studying biochemistry in university.

[6] From 2015 to December 2024, Jarry has been co-hosting the Body of Evidence podcast with cardiologist Christopher Labos, examining various health claims (such as vitamins curing cancer) through scientific lens.

[15][16] The podcast, which uses humour to present discussions on medical issues between Jarry and Labos (and sometimes guests), won the Canada’s Favourite Blog for 2017 award from Science Borealis.

The video gained widespread attention and news coverage when relayed by people with a large online presence such as David Gorski, Susan Gerbic, Kavin Senapathy and comedian Scott Rogowsky.

"[3] He sees science communication getting more difficult, requiring advanced knowledge or research, but is encouraged that experts speak to the media more frequently and skillfully.