Users are asked to share their location with Tinder so the app can recommend people within a certain distance. To make that feature work, Tinder has to record the last known location of each user.
Serotonin is known to be the most responsible in terms of neurotransmitters and depression. Serotonin is responsible for an array of functions most importantly being the mood and perception of a person.
Causes. The causes of depression are not fully understood, but scientists believe that an imbalance in the brain's signaling chemicals may be responsible for the condition in many of the patients. However, there are several theories about what this imbalance actually is and which signaling chemicals are involved.epression, or major depressive disorder, is a mental health condition marked by an extended sense of sadness and despair that affects how a person thinks, feels and functions. The condition may significantly interfere with a person's daily life and may prompt thoughts of suicide.