Alastair Campbell health: Journalist recalls his 'massive plunge' during lockdown

“For example, you might become convinced that you’ve committed an unspeakable crime.”

How to treat depression

Like the symptoms, the treatments vary based on the severity of the depression one is experiencing.

According to the NHS, treatment for depression usually involves a combination of self-help, talking therapies and medicines.

If you have mild to moderate depression, for example, that is not improving, or moderate depression, you may find a talking therapy helpful.