cannabis/nicotine

Cannabis co-use among tobacco users is exceedingly common and rates of co-use appear to be increasing among adults in the US, which is consistent with overall increases in cannabis use rates among US adults. Given the current cannabis landscape, further increases in cannabis use are likely and may

The proposed study will be conducted at the Johns Hopkins Behavioral Pharmacology Research Unit (BPRU). All participants will be healthy adult volunteers who are regular nicotine/tobacco users, and have prior experience with cannabis use. Participants will complete seven outpatient experimental test

The long-term goal for the proposed research is to apply a systems biology approach to discover evidence that provides the basis for understanding the complex and at times conflicting roles for marijuana in chronic inflammation in HIV-infected youth. To achieve the goal, a systems biology approach

This study is a preliminary examination of the feasibility, acceptability, and effectiveness of a brief, one-session intervention for a diverse sample of young adults who report alcohol binge drinking or marijuana use in the past month. The proposed study will utilize a two-group pilot randomized

Participants will complete a screening visit to determine study eligibility. Eligible subjects will be scheduled to begin 22 days of study participation. During the first week, participants will be randomly assigned to take either progesterone or placebo (inactive medication) twice a day, and to

The specific aims of this sub-study are: Specific Aim #1: Work with game development team to develop a web-based version of smokeSCREEN. Specific Aim # 2: Build a pre-post survey into the smokeSCREEN game to anonymously collect survey information on players' perspectives, beliefs, behaviors around

Cannabis is the most commonly used psychoactive substance among pregnant women, with an estimated prevalence of use between 5 to 20% in in the United States. Little is known about the neurodevelopmental consequences for the fetus, particularly in the context of contemporary cannabis use patterns

To date, there is little data on the consumption of young adults in detention when they are the first consumers in the general population in France and they represent a particularly vulnerable population within the prison population. objectives The main objective of this project is to document the

Cannabis is the most prevalent drug used by adults aged 50 and older in the U.S., after alcohol and tobacco. Recent trends show dramatic increases in cannabis use among older U.S. adults, and rising cannabis tetrahydrocannabinol (THC) content. Cannabis intoxication acutely alters short-term memory,

Cannabis use disorder (CUD) is a major public health problem associated with significant psychiatric and medical morbidity, poor performance, and legal consequences.4 4.2 million people in the United States meet criteria for CUD.5 15% of all admissions for substance abuse treatment were related to

Substantial evidence demonstrates sex and gender differences in the behavioral, biological, and clinical correlates of substance use disorders. Men tend to initiate use earlier and have higher lifetime prevalence rates of disorder, but women demonstrate more severe withdrawal, more rapid progression

This a randomized, double-blind placebo-controlled, longitudinal 28-Day abstinence study design. Patients with psychosis will be randomized (1:1) to receive either active or sham stimulation that will be administered three times per week for 4 weeks (28 days) for a total of 12 treatments. Urine will