Abstract: Provided are deuterated analogs of MDMA, including deuterated empathogens. In some embodiments, such compounds are monoamine releasers or inhibit monoamine transporters. In some aspects, features of the compounds provide stability, such as metabolic stability, and efficacy. Also provided are methods for the preparation of deuterated empathogens and pharmaceutical compositions comprising the same. Methods of using the deuterated empathogens, alone or in combination with other therapeutic agents, are provided. In some embodiments, deuterated empathogens are used to treat CNS disorders, such as mental health conditions and neurodegenerative disorders.

Abstract: Provided herein are compositions for removal of contaminants from an air stream. The composition contains a filtration agent having one or more components that can adsorb tar or other contaminants from smoke. Also provided is a method for removing a contaminant from an air stream. Also provided are a system and a kit employing the filtration agent.

Abstract: Provided herein are compositions for removal of contaminants from an air stream. The composition contains a filtration agent having one or more components that can adsorb tar or other contaminants from smoke. Also provided is a method for removing a contaminant from an air stream. Also provided are a system and a kit employing the filtration agent.