hormones study banner template. pen drawn seratonin 5-ht structure on paper on square. hormone assosiated with happines

5ht banner bio biology body bond chemical chemistry cycle depression design diagnosis drug education element endocrinology enhancing figure flat formula futuristic gradient happiness health hormone hormones hydroxytryptamine icon illustration infographic isolated line medical medicine modern molecular molecule notepad nucleus pen pencil period pharma science serotonin square structure symbol vector wellbeing