Are Oranges Replacing Apples as a Once “a Day” Food?

A recent article from the Medical News Today reports oranges may be the new apple a day remedy.  They mention a new Harvard study showing a daily orange may do more than just provide a juicy dose of vitamin C — it could also help protect our mental health.

The study found a connection between consuming one medium orange daily with a 20 percent decrease in the risk of developing depression. Researchers say the lower risk is due to the effects oranges, and other citrus fruits, have on the beneficial gut bacteria called Faecalibacterium prausnitzii. Participants who reported feeling depressed were found to have lower levels of this bacterium. 

Researchers say the bacterium seems to influence the production of the brain chemicals serotonin and dopamine, which are associated with regulating our mood. The large study tracked 32,000 middle-aged women from 2003 to 2017; and throughout the extensive time frame, discovered only citrus fruits seemed to help stave off depression. A later study found similar results in men. 

As an observational study showing a correlation, it doesn’t directly prove that eating oranges can prevent depression. Rather what it does is add to the growing amount of data we have regarding the connection between gut health and our mental well-being. In addition to the possible benefits to our brain health, the vitamin C in citrus is essential for healthy immune systems as well as helps the body produce collagen and maintain healthy blood vessels and heart.

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