American researchers recently studied the relationship between nutrition and depression through diet quality and sleep quality.
The researchers collected data from 36 participants using the Healthy Eating Index, the Pittsburgh Sleep Quality Index, and the Beck Depression Inventory. The data covered their diet, sleep, and mental health over a 5-day period.
What the researchers discovered was that those participants who better followed the Dietary Guidelines for Americans 2010 enjoyed better sleep quality than those who poorly followed the guidelines. They also had higher omega-3 levels in their diet, which the researchers connected with lower depressive symptoms.
What are the Dietary Guidelines for Americans 2010?
Things we need to eat less of
Things we need to eat more of
For positive steps, the guidelines are:
This further underscores the discovery from a growing list of clinical studies showing a connection between mental health and nutrition.