“…Thirdly, the first lockdown in France from March 17th to May 10th 2020 and the second from October 30th to December 15th, 2020 led to major lifestyle changes. Known risk factors of substance use disorders worsened ( Benke et al., 2020 ; Dumoulin et al., 2022 ; González-Sanguino et al., 2020 ; Palgi et al., 2020 ). For example, social contact was reduced, professional activity was limited or even ceased for many people, stress increased and many hobbies involving interaction with others tailed off.…”