Depression and addiction often go together. While about 10 percent of the general population will develop a substance use disorder, in people diagnosed with depression that number is around 30 percent. The connection between substance use and depression is complicated. Depression can lead to addiction as a form of self-medicating and addiction can also lead… Continue Reading Addiction and Depression May Share Brain Circuitry
This is the first of three posts based on the work of writer Johann Hari, whose search for answers about his own depression led to his book Lost Causes: Uncovering the Real Causes of Depression–and the Unexpected Solution. Most of us are familiar with the standard explanation for depression: depression is the result of a… Continue Reading Depression Isn’t All in Your Head, Part 1: Problems with the Standard Model
With marijuana legalization for either recreational or medical use spreading across the US, Americans’ attitudes towards marijuana are quickly changing. More people see marijuana use as safe and socially acceptable. While marijuana does appear to be safer and less addictive than many substances, especially when only used occasionally, there are still risks associated with it,… Continue Reading How Does Marijuana Affect Teens’ Brains?
Post-traumatic stress disorder, or PTSD, is a condition that can lasts months or years after a traumatic event. Although it is typically associated with combat soldiers, PTSD more often affects civilians. It may be caused by an accident, a robbery, a sexual assault, domestic abuse, the unexpected death of a loved one, witnessing violence, or… Continue Reading How Does PTSD Affect Your Brain?
THC is the main psychoactive ingredient in marijuana. Its structure is very similar to a chemical called anandamide, which occurs naturally in the brain. Anandamide is a kind of neurotransmitter called an endogenous cannabinoid, meaning it’s a cannabis-like chemical made by your brain. Anandamide affects various brain areas, including those related to pleasure, memory, concentration,… Continue Reading How Does THC Affect Your Brain?
A recent study suggests that brain scans may someday be able to more accurately distinguish bipolar disorder from major depression. The researchers used an MRI machine to study how patients’ brains reacted to seeing various kinds of facial expressions. They were particularly interested in the amygdala, an area of the brain–technically two areas–which is responsible… Continue Reading Brain Scans May Diagnose Bipolar Disorder