@Annyiqbal 19 June 2021 more from that month

Antidepressants in water make fishes less fear? Antidepressants are used by many people now a days. There are many people who use antidepressants for relief against depression and anxiety. Antidepressants are secreted by human through their urine into rivers lakes. Cray fishes response became faster and faster. In Their ecosystem disturbance occurred. To reduce depression, selective serotonin reuptake inhibitors (SSRIs) are used. These chemicals Increase the level of serotonin in brain which decreases the anxiety and depression. According to researchers their levels in water are increasing which make less fearful to cray fish like human. Fishes also respond to these chemicals when intake especially cray fish. In the presence of medicine animals work speed Increases to double. Cray fish eats algae leaf and litter which decreases the organic components in water and harmful for water ecosystem. Animals search food more when intake antidepressants. Source https://www.newscientist.com/article/2280849-antidepressants-leaking-into-waterways-could-make-crayfish-bolder/ Image Credit serotonin levels Poelzer Wolfgang / Alamy #NoiseCash