There has been some speculation that the human population at large is suffering from a cannabinoid deficiency. We have, in our oldest genetic material, cannabinoid receptors throughout our bodies and lately, we're not keeping them supplied.
Cannabidol is derived from hemp. An inexpensive way to get some into your diet is to add Hempseed oil. It's low heat tolerant so I use it in smoothies. It's also very, very good for your kidneys. THC free.
3 years before he died, my father's kidneys were failing, at 30% functionality. I was his caregiver. Within a year of starting daily doses of hempseed oil, his kidney function rose to 65%.