Cold or Heat Therapy? What Are The BenefitsUpdated 18 days ago
Every benefit from cold or heat therapy comes back to one thing and that's blood flow. The cold forces your vessels to constrict, pulling blood toward your core. Step out, and they open back up and oxygenated blood rushes back through your tissues like a reset.
Heat works the other way. Vessels expand, circulation picks up, core temperature climbs. Both are worth doing on their own. But alternate between them (that's contrast therapy) and you're essentially putting your vascular system through a training session.
Constrict, dilate, repeat. Your heart gets a workout without you lifting a thing.
Cold Plunging: Therapy Benefits
DOMS? Never Heard of Them.
Delayed onset muscle soreness is the deep, delightful ache that shows up 24–48 hours after a hard session. Cold water immersion is one of the most well-researched tools for cutting that recovery time down. By reducing inflammation in stressed tissue before it gets the chance to fully set in. Research points to around 11 minutes per week as the sweet spot for real recovery benefits. Two or three short dips and you're sorted.
Your Brain on Cold (Spoiler: It's Buzzing)
Cold exposure triggers a sharp release of norepinephrine, a neurotransmitter your brain associates with focus, alertness, and feeling good. Studies have recorded increases of up to 3× above baseline. That post-plunge buzz you feel? That's not just pride at surviving. It's chemistry. Over time, regular cold exposure also builds genuine psychological resilience. Your nervous system gets better at managing discomfort, in the ice bath and everywhere else.
A Workout for Your Blood Vessels
The constriction-dilation cycle isn't just about recovery, it's a passive form of cardiovascular conditioning. Regular cold immersion supports better blood flow to peripheral tissues and is associated with long-term cardiovascular health benefits. Your heart is quietly benefiting every single time.
Give It a Few Weeks (It Gets Easier)
If your first few plunges feel like a battle of wills, that's completely normal. Your cold shock response is real, but it adapts. Most people notice a genuine shift in tolerance within two to three weeks of regular sessions.
So... How Long Do I Actually Stay In?
- Just starting out: 1–3 minutes at 59–64°F (15–18°C)
- Getting the hang of it: 5–10 minutes at 46–54°F (8–12°C)
- Absolute maximum: 15 minutes — more isn't more here
Aim to build up to roughly 11 minutes across your week. Always get out if you feel dizzy, experience chest pain, or feel unwell.
Sauna Sessions: Therapy Benefits
Melt Away the Tight Stuff
Heat increases blood flow and oxygen delivery to muscles and connective tissue, which means the chronic tightness you've been carrying around actually has somewhere to go. Regular sauna sessions are associated with reduced musculoskeletal pain and stiffness over time, not just in the moment. Your future self will thank you.
Sweat Out the Bad Stuff (The Good Kind of Sweating)
Extended heat exposure shifts your nervous system into its parasympathetic state. That's the rest-and-recover mode, the physiological opposite of stress. Heart rate slows. Muscles release. Cortisol drops. A sauna session isn't just passive rest, your body is actively doing something, just in a much gentler direction than a cold plunge.
Yes, You're Burning Calories. Yes, Really.
A 30-minute infrared or steam session can burn between 300–600 calories through elevated heart rate and sweating. It varies by person and session intensity, but the effect is real. Think of it as a bonus, not a strategy, it stacks nicely on top of an active lifestyle, but it's not a shortcut on its own.
One Quick Heads Up Before You Dive In
Cold and heat therapy are safe and well-tolerated for most healthy adults. But if any of the following apply to you, have a quick chat with your doctor first:
- Heart conditions or cardiovascular disease
- High blood pressure
- Raynaud's disease
- Any condition that affects circulation
These therapies create real physiological responses. That's exactly why they work! Treat them with the same respect you'd give anything that genuinely moves the needle for your health.
The benefits described here are based on current research and user experience. Individual results vary. Vital+ products are wellness tools not medical devices.