What is Cryotherapy?

Cryotherapy means 'cold healing' — it involves exposing the body to very cold temperatures for short, controlled periods, either in a cryo-chamber, an ice bath, or through cold showers and localized ice packs. The most intense form, whole-body cryotherapy (WBC), places the body in a nitrogen-cooled chamber at temperatures between −110°C and −140°C for 2–4 minutes. Cold water immersion (the classic ice bath) is the most widely researched form and has been used by athletes for decades.

How does Cryotherapy work?

When your body hits extreme cold, blood vessels near the skin constrict sharply, pushing blood toward your core organs — a survival response. When you warm back up, blood rushes back out, flushing tissues with oxygen and nutrients. This cycle helps clear inflammatory byproducts from muscles and joints, reduces nerve conduction (numbing pain signals), and triggers a release of mood-boosting chemicals like norepinephrine and endorphins. Cold exposure also activates brown fat, which generates heat and may support metabolism.

What forms does Cryotherapy come in?

Cold water immersion (CWI) at 10–15°C for 10–15 minutes is the most evidence-backed form. Whole-body cryotherapy chambers offer a shorter, more intense alternative (2–3 minutes at extreme cold) without the discomfort of full water immersion. Cold showers are the most accessible form — less intense but still beneficial with consistent practice. Localized cryotherapy (ice packs, cryo-compression) is useful for targeted joint or injury sites.

Where it comes from:

Cold as medicine has been used for thousands of years — ancient Greeks used cold water baths for recovery, Nordic and Russian cultures built entire wellness traditions around cold plunges and saunas, and the Japanese practiced cold-water Misogi rituals for purification. Modern cryotherapy as we know it was developed in Japan in the late 1970s by rheumatologist Dr. Toshima Yamauchi, who used whole-body cold exposure to treat rheumatoid arthritis. It spread to Europe in the 1980s and became mainstream in sports medicine worldwide by the 2000s.

What does Cryotherapy help with?

• Post-workout muscle soreness (DOMS): Cold immersion after hard exercise is one of the most well-studied recovery tools in sports science. It reduces the inflammation and swelling that cause delayed-onset muscle soreness (DOMS), helping you feel less beaten up and get back to training sooner. Most athletes notice a meaningful difference in soreness levels within 24 hours of an ice bath.
• Joint pain and arthritis: Cold therapy was originally developed to treat rheumatoid arthritis, and it remains a go-to for joint pain. The cold numbs overactive pain signals and temporarily reduces the inflammatory activity in joints, making it easier to move and feel comfortable. Regular sessions can help people with both inflammatory arthritis and general wear-and-tear joint pain.
• Inflammation and swelling: Cryotherapy helps dial down the body's inflammatory response by constricting blood vessels and reducing the release of inflammatory chemicals. This is useful after injuries, surgery, or intense physical activity when the body's inflammatory system is working overtime. The reduction in swelling can be noticeable within a single session.
• Low mood and depression: Cold exposure causes a significant spike in norepinephrine — a key mood-regulating chemical — as well as endorphins and dopamine. People frequently report an immediate lift in mood and mental clarity after cold immersion. Emerging research supports its use as a complementary approach for mild-to-moderate depression, particularly when conventional treatments haven't fully worked.
• Anxiety and stress: Regular cold exposure trains your nervous system to tolerate stress more calmly — the controlled discomfort of a cold plunge essentially acts like a stress inoculation. Over time, many people notice they feel less reactive and more grounded in daily life. The deep breathing required during cold exposure also activates the parasympathetic (calm) nervous system.
• Low energy and fatigue: Cold showers and plunges are well-known for producing an immediate burst of alertness and energy, driven by adrenaline and norepinephrine release. Many people find that a morning cold shower is more effective than a second coffee. With regular practice, this energy effect tends to become more stable throughout the day.
• Sleep problems: Cold exposure in the late afternoon or early evening can help your core body temperature drop faster at night, which is a natural signal that helps the brain shift into sleep mode. Some people find cold immersion reduces the physical restlessness or tension that keeps them awake. Timing matters — very late-night cold exposure may be stimulating rather than calming.
• Metabolic health and weight management: Cold activates brown adipose tissue (brown fat), a special type of fat that generates heat by burning calories. Regular cold exposure has been shown to increase brown fat activity and may improve insulin sensitivity over time. While it's not a weight-loss shortcut, it can be a useful addition to a broader metabolic health routine.
• Skin conditions (localized cold): Localized cold therapy — ice packs, cryo-facials, or cold compresses — can reduce redness, puffiness, and inflammation in the skin. It temporarily tightens pores, reduces under-eye swelling, and can calm flare-ups from conditions like eczema or psoriasis. These effects are temporary but can be useful as part of a consistent skin care routine.
• Fibromyalgia and chronic pain: People with fibromyalgia — a condition causing widespread body pain and fatigue — have shown improvements in pain, mood, and quality of life with whole-body cryotherapy in several small studies. The combination of pain-numbing and mood-lifting effects makes it a promising complementary option, especially for people who struggle with exercise-based pain management.

What can Cryotherapy help prevent?

• Delayed-onset muscle soreness (DOMS) after intense exercise: cold immersion within 1 hour post-workout consistently reduces next-day soreness
• Exercise-related muscle damage progression: cryotherapy appears to limit the spread of micro-trauma in muscle tissue after intense physical activity

Which foods are rich in Cryotherapy?

Cryotherapy is a physical therapy, not a nutrient — you can't eat it. But you can support the same biological pathways through diet. Anti-inflammatory foods like fatty fish (omega-3s reduce the same inflammatory markers that cold targets), tart cherries (shown to reduce DOMS comparably to some recovery protocols), turmeric (curcumin blocks inflammatory enzymes), and dark leafy greens (antioxidants reduce oxidative stress from exercise) all work synergistically with cold therapy. Staying well-hydrated before and after cold exposure also amplifies its recovery benefits. Foods to avoid post-cryotherapy: heavy alcohol (disrupts the anti-inflammatory response) and high-glycemic processed foods (promote the inflammation you're trying to reduce).

What are the side effects of Cryotherapy?

• Skin redness and tingling (normal, resolves within minutes)
• Temporary numbness in extremities
• Skin burns or frostbite if time limits are exceeded or skin is wet
• Sharp spike in blood pressure during the session
• Claustrophobia or anxiety in whole-body cryo chambers
• Dizziness or lightheadedness on exiting the chamber
• Cold urticaria: hive-like skin reaction in those with cold allergy
• Asthma or breathing discomfort from inhaling very cold air
• Muscle cramps if cold exposure is too intense or prolonged
• Rare: hypothermia if exposure exceeds safe limits

Good to know:

Cryotherapy is safe for most healthy adults when sessions are kept within recommended time limits and temperatures. Risks increase significantly with cardiovascular conditions, cold allergies (cold urticaria), Raynaud's disease, open wounds, or pregnancy. Always disclose health conditions before a professional cryotherapy session.

How much Cryotherapy should you take?

• Recommended daily: Cold water immersion: 10–15 minutes at 10–15°C (50–59°F). Whole-body cryotherapy chamber: 2–3 minutes per session at −110°C to −140°C. Cold showers: 2–5 minutes of cold (ending with cold is effective). Localized ice pack: 10–20 minutes on affected area with a cloth barrier.
• Best time of day: Morning cold exposure maximizes the alertness and energy benefits for most people. Post-workout cold immersion (within 30–60 minutes after training) is optimal for muscle recovery. Avoid very late-evening whole-body cold exposure if you're sensitive to stimulation, as the adrenaline spike can delay sleep onset.
• With or without food: Avoid cold immersion immediately after a large meal. Mild to moderate food intake beforehand is fine. Stay well-hydrated before and after sessions.
• Time to effect: Acute effects (pain relief, mood lift, reduced swelling) within 1–6 hours of a single session. Cumulative benefits (improved recovery, mood baseline, sleep) build over 2–4 weeks of consistent use.
• How long to take it: For recovery: use as needed after intense training sessions — most athletes use 2–4 times per week. For mental health and metabolic benefits: consistent daily cold showers or 3–5 sessions per week of cold immersion for 4–8 weeks produces the most meaningful results. Note: very frequent post-workout cold immersion (daily) may blunt long-term muscle-building adaptations — consider limiting to 2–3x per week if hypertrophy is a goal.