U.S., Aug. 25 -- A new type of treatment for depression that doesn't involve conventional medication is having great results amongst patients. Flow is entirely-drug free, and works by stimulating the area of the brain associated with depression via a headset.

Images taken of the brain of depressed patients show that depression is associated with lowered activity in the front of the brain, called the DLPFC. When activity here is unbalanced, it can lead to appetite changes, sleep disturbance and low mood, all common symptoms of depression.

The Flow headset administers a type of current called transcranial Direct Current Stimulation (tDCS) to this area, restoring brain activity and reducing these symptoms. It can be worn at home, at any ti...