Tag: Depression
Tiny fish on ketamine may show how drug eases depression
Jon Hamilton A single dose of the anesthetic ketamine can provide weeks of relief from severe depression. One reason may be that the drug causes long-term changes to a brain circuit involved in “giving up,” a team reports in the journal Neuron. The team found that in zebrafish, ketamine alters this circuit in a way…
Getting your steps in can reduce depression, research finds
By Ronnie Cohen Feeling down? Taking a walk could help, new research shows. The more steps we take, the less likely we are to feel depressed, according to a JAMA Network Open paper published in December. Researchers analyzed 33 studies examining the movements of nearly 100,000 adults using smartphones, pedometers and other fitness trackers. Those…