Mental Health

Stronger cannabis products may harm mental health more

A large review of past studies has found that cannabis products with high levels of THC—the main compound that causes a “high”—may be linked...

Early menopause may lead to depression, study finds

Premature menopause can deeply change a woman’s life. It brings not only physical changes but also strong emotional and social effects. Women with this condition...

Stronger cannabis may cause more cases of psychosis and schizophrenia

In recent years, cannabis has become much stronger than it used to be. Back in the early 2000s, most dried cannabis in Canada contained about...

How ketamine helps depression quickly and over time

Depression can be a very serious condition that needs better treatments—especially ones that work fast and have lasting effects. Ketamine is a drug that does...

The midlife ‘unhappiness hump’ may be gone—but young people are struggling more

For years, researchers have observed a curious pattern in well-being known as the “unhappiness hump.” Across many countries, surveys showed that people’s happiness typically followed...

Depression may disrupt learning to steer clear of unpleasant events

Depression is known to change the way people seek out rewards, but new research suggests it may also make it harder to learn how...

Can depression drug ketamine treat chronic pain?

Ketamine is a drug that doctors often use to help people sleep during surgeries or for short-term pain relief. But in recent years, some doctors...

How the immune system in the skull may fuel depression

Scientists have uncovered new evidence that depression could be linked to immune cells moving from the skull into the protective layer of the brain. The...

How cognitive behavioral therapy changes brain and eases depression

For many years, doctors and scientists have known that cognitive behavioral therapy (CBT) helps people manage depression and other mental health problems. What has been...

Love in the dirt: How soil microbes might influence our emotions

Could the microbes living in soil have an impact on human emotions, relationships, and even feelings of love? Scientists from Flinders University in Australia think...