Among teenaged cannabis consumers, their usage peaked during the summer months. Joseph Palamar, the study’s lead author and an associate professor at Grossman School of Medicine at New York University, told News Medical that the decrease in cannabis consumption in the new year may be due to New Year’s resolutions and individuals abstaining from alcohol and drugs for ‘Dry January.’ Other hypotheses for the reduction in cannabis use during winter months include low supply after fall harvests and colder weather keeping people indoors. “Ultimately, we hope that these findings can be utilized by researchers and clinicians alike,” study co-author Austin Le told