Nutrition and Mental Health: The Case for Supported Lifestyle Care

On 28 September 2026, InSight+, the Medical Journal of Australia’s news publication, reported on depression research described by Distinguished Professor Felice Jacka of Deakin University’s Food and Mood Centre. If you value staying active and independent, the report brings nutrition into a conversation that extends beyond muscle and metabolism. Its focus is structured nutrition and exercise support within mental-health care.

The practical interest lies in that broader model of support. For an active adult balancing everyday life with travel and sport, it offers a reason to consider eating habits as part of the care conversation rather than as a separate pursuit of physical fitness.

The Comparison Was About Professionally Supported Care

Jacka told InSight+ that two Food and Mood Centre studies found combined nutrition and exercise support comparable to psychological support for alleviating depressive symptoms. Dietitians provided nutrition guidance. Exercise physiologists supported physical activity. The intervention was therefore a supported approach involving both disciplines.

That detail is central to understanding the report. The research comparison concerned what happened when people received organized help with eating and movement. It was not simply a comparison between people who happened to eat differently or exercise more.

The article identified one study as the CALM trial led by Adrienne O’Neil. It also discussed HARMON-E, an Australia-wide trial comparing allied-health-supported diet and exercise with cognitive behavioral therapy, or CBT.

In plain language, the central question was whether this combined lifestyle support could offer comparable relief from depressive symptoms. For readers interested in capability, that broadens the role of nutrition beyond preparing for a demanding walk or maintaining physical strength. It places everyday habits within a discussion of professional mental-health support.

The Evidence Has a Defined Scope

At the time of the interview, Jacka said HARMON-E was under review at the BMJ. InSight+ did not provide its full methods or numerical results. The account should therefore be understood as reported findings awaiting peer-reviewed publication rather than as a published BMJ trial.

Jacka described a non-inferiority comparison. That means the trial addressed whether the intervention performed comparably to CBT rather than establishing that it worked better. Because nutrition and exercise support were delivered together, the comparison also does not establish that diet alone is equivalent to psychotherapy.

The available reports do not establish separate results for active older adults or athletes. The depression findings do not demonstrate prevention of cognitive decline or improvements in travel recovery, altitude adjustment or sustained energy during sport. Those are different outcomes that require their own evidence.

The dietary advice was broad rather than a tested menu with serving targets. Jacka also said more research on fermented foods was needed. Her recommendations are best read as guidance on an overall eating pattern rather than proof that particular foods treat depression.

Nutrition Belongs Alongside Professional Care

Jacka was explicit about how the findings should enter everyday decisions:

> “It’s not that you say, ‘Okay, well eat a salad rather than having antidepressants’.”

That distinction keeps the discussion grounded. Nutrition and exercise support belong in a broader care conversation rather than becoming a reason to stop medication or delay professional help. When depression affects daily life, personal decisions about care belong with a qualified clinician.

Jacka also connected this research with access to support. She described workforce limitations and long waiting lists as reasons to consider additional ways of helping people. That was her rationale for examining allied-health options rather than a claim that everyone should receive the same intervention.

For the reader, the useful question is not whether food should replace therapy. It is whether support from a dietitian and an exercise physiologist could be relevant within an individual care plan. That preserves the most important feature of the reported intervention: professional support rather than a shopping list presented as treatment.

Plant Variety Is a Practical Focus at Home and Away

Jacka’s general food advice was straightforward: favor a diverse and plant-heavy diet while limiting industrial foods. She also recommended including some fermented foods. A vegan diet or specialty organic shopping was not required.

For an active adult, the simplest starting point is variety. Rather than redesigning every meal, consider whether your usual choices leave room for a broader range of plant foods. This keeps attention on an overall pattern instead of making one ingredient responsible for how you feel.

That approach fits WealthAtPlay’s focus on practical guidance for staying capable. It also provides a useful connection to the wider discussion of eating well through an active later life, where the aim is an approach that can fit ordinary life rather than an extreme overhaul.

The Same Food Principle Can Guide Travel Choices

Travel is a useful setting in which to apply that single principle. At a hotel breakfast or lunch after a hike, the question can remain simple: which available meal offers a variety of plant foods? There is no need to turn each restaurant decision into a new dietary system.

For a ski holiday or walking itinerary, this is a way to carry a familiar eating preference into a different setting. The practical adjustment is to keep plant variety in view when choosing meals. It is an application of Jacka’s broad recommendation rather than a new performance protocol.

This is also where keeping nutrition practical away from home becomes relevant. The task is to make the principle usable within the trip you have planned. A meal can reflect that preference without requiring you to control every ingredient or recreate your home routine.

The same thinking applies after returning home. Keeping the focus on a recognizable eating pattern is more consistent with the report than searching for a special travel food or a different diet for every activity. The action remains modest: bring variety into the choices already being made.

Fermented Foods Can Remain Optional Choices

Jacka’s examples included yoghurt and kefir as well as kombucha. She also named sauerkraut, kimchi, miso and tempeh. These were examples within her broader dietary message rather than a required list to work through.

If you enjoy such foods, they can have a place within a varied diet. There is no need to make them a separate project or let them distract from the main recommendation. Plant variety remains the clearer starting point.

For someone interested in mood as well as physical capability, the distinction is useful. An overall eating pattern and professionally supported care are the substance of this news. A particular fermented food is a small part of that conversation.

Everyday Eating Deserves a Place in the Care Conversation

Keep plant variety as a practical focus at home and while traveling, and discuss supported nutrition and exercise with a qualified clinician when mental health is part of the concern.

Sources

1. Improving mental health through diet and nutrition