Hot Tubs, Saunas, and Scents: What the Science Is Starting to Suggest

We’ve always known a good soak or sauna session feels amazing. But now, early research is beginning to suggest there may be more going on beneath the surface.

New findings point to a curious link between elevated body temperature and depression. Other studies reveal how familiar scents can unlock vivid memories—often emotional, even joyful ones. While none of this is medical gospel, it’s compelling stuff that adds another layer to something we’ve always believed: feeling good matters.

At Simply Happy, we don’t deal in medical advice—we deliver moments. Here’s what the science is starting to suggest about warmth, scent, and why the experience of a hot tub or sauna might be worth more than you think.

When Warmer Is Better:

A Surprising Link Between Mood and Body Temperature

A study out of the University of California San Francisco (UCSF) analyzed data from over 20,000 people in 106 countries and found that people with depression consistently showed higher body temperatures than those without. (The findings, published in Scientific Reports, confirm earlier smaller-scale studies showing a link between depression and higher body temperature.)

We don’t yet know if temperature is a cause, a symptom, or just a companion to depression—but the correlation is clear. And here’s where it gets interesting: warming the body through saunas or hot tubs might trigger a rebound cooling response that lasts longer than simply trying to cool down.

Dr. Ashley Mason, the lead researcher, calls this “rebound body temperature lowering.” In simpler terms? Heat up to cool off. And possibly reset more than just your skin.

Scents That Spark Memory—and Maybe Something More

In another small but eye-opening study, researchers asked people with depression to recall personal memories after being exposed to familiar scents—like coffee, citrus, or lavender.

The results? Scent cues helped participants remember specific, emotionally charged moments more easily than verbal prompts alone. That’s because the sense of smell has a direct connection to the brain’s emotional and memory centers—a superhighway straight to the places that matter most.

This isn’t just sensory trivia—it’s a practical reminder that your environment plays a big role in your emotional state. Aromatherapy isn’t just about nice smells. It’s about anchoring positive experiences to the senses.

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The Simply Happy Experience: Warmth + Scent, Delivered

At Simply Happy Hot Tubs & Saunas, we bring the tools for wellness to your doorstep:

• Wood-fired hot tubs and mobile saunas

• Optional aromatherapy integrations

• Natural heat, clean water, and effortless setup

Add a few drops of eucalyptus or citrus oil. Close your eyes. You’re not just relaxing—you’re engaging your senses and creating space for something restorative.

No spa memberships. No screens. Just a better way to slow down and feel more present.

Bottom Line

We’re not here to treat or diagnose—but science is finally catching up to something people have known for generations: Warmth soothes. Scent awakens. Stillness helps.

So next time you're feeling off, maybe you don’t need to push harder. Maybe you just need a little heat, a deep breath, and some space to remember what it feels like to just be.

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Your Moment Starts Here

Whether it’s a solo reset or a weekend getaway with friends, Simply Happy Hot Tubs & Saunas delivers the full spa experience—without the fuss.

Serving Milton Keynes & nearby ≥≥≥ Book now