As mentioned, nausea and vomiting are common symptoms of anxiety and stress. While vomiting can be a symptom of anxiety, it's not as common as nausea. Behaving anxiously activates the stress response.
On December 8, 2016, Cinemax and Sky1 announced they had greenlit a brand new series of Strike Back with a brand new cast, no longer focusing on former stars Sullivan Stapleton and Philip Winchester. Daniel MacPherson, Alin Sumarwata, Roxanne McKee and Warren Brown have been cast to star in the new series.
The premium cable network and U.K. collaborator Sky are bringing back Strike Back for its fifth season, The Hollywood Reporter has learned. The drama was renewed for its fourth and then-final season in 2013 and wrapped its run in October 2015. The new season, which will feature an entirely new cast, will resume production in 2017.