In depression (primary) or secondary cause( inflammation, medicine drug withdrawal, migraines, headaches), low nutrition etc, is there any death of brain cells? As one online resource was saying that inflammation causes depression and leads to loss of brain cells. Is there any loss of brain cells in stress, anxiety, depression? Yes or no? Reversible or irreversible? Rtms and psych meds cause any harm? Loss of sleep due to neurotransmitters imbalances for any reasons, causes loss of brain cells(any)? Please guide correctly. In physiological stress and mental stress, breathing becomes shallow and rapid. Does this cause any neuronal loss or damage due to less oxygen or brain maintains oxygen? Please let me know. Stopping of psych meds causes serotonin to drop and causes headaches. Does this reduce blood supply to the brain causing any memory issues or no?