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 first series of Strike Back was released on a two-disc set on DVD and Blu-ray Disc on 7 June 2010 in the United Kingdom , after only over two weeks since the conclusion of the series on television.