Your result
A self-reflection tool drawn from traditional Korean medicine, not a medical assessment. New or sudden changes in how hot or cold you feel (for example with weight change, palpitations or fatigue) are worth checking with a doctor, since thyroid and other conditions can cause them.
What Eum and Yang Mean in Korean Medicine
Eum (음, 陰) and yang (양, 陽) are the Korean readings of the same characters written yin and yang in Chinese. Eum describes the cooling, conserving, inward side of the body: rest, fluids, storage. Yang describes the warming, active, outward side: heat, movement, metabolism. Everyone has both. What differs from person to person is which side naturally dominates.
Korean Sasang constitutional medicine, formalised by Lee Je-ma in 1894, builds its four body types directly on this idea. The type names literally combine a size and a side:
So an eum-leaning result points you toward the two eum types, and a yang-leaning result toward the two yang types. This short test can't tell the two apart on each side (So-Eum and Tae-Eum differ mostly in digestion, build and how the body stores energy), which is what the full 10-question Sasang assessment is for.
Signs of an Eum (Cold) Body vs a Yang (Hot) Body
| Sign | Leans eum (cold) | Leans yang (hot) |
|---|---|---|
| Temperature | Feels cold easily; cold hands and feet | Feels hot easily; warm hands and feet |
| Drinks | Prefers warm drinks | Prefers cold or iced drinks |
| Digestion | Cold or raw food causes bloating or loose stools | Cold food feels refreshing; spicy food causes heat or reflux |
| Sweat | Sweats little; heavy sweating is draining | Sweats quickly, especially the upper body |
| Skin | Pale, dry, cool | Flushes, reddens, breaks out with heat |
| Ginseng, spice, alcohol | Feel warming and energising | Cause flushing, headaches or poor sleep |
| Temperament | Careful, reflective, conserving | Quick, expressive, restless |
What to Do With Your Result
If you lean eum, favour warm, cooked, easy-to-digest food (soups, rice, ginger, root vegetables), keep iced drinks and raw salads occasional, and keep your core and feet warm. Warming herbs such as ginseng and ginger usually suit eum types; see the ginseng guide for who should avoid it for medical reasons.
If you lean yang, favour cooling, lighter food (vegetables, fruit, seafood, barley tea), go easy on chili, alcohol and heavy grilled meat, and be cautious with ginseng and other heating tonics. Heat-driven insomnia and flushing are common signs you've overdone it; see why am I always hot?
If you land in the middle, that's common, especially for Tae-Eum, whose temperature signs are often mixed. The Sasang food list and the full assessment will be more useful to you than the eum-yang split alone.
Frequently Asked Questions
Is eum the same as yin?
Yes. Eum (음) and yang (양) are the Korean pronunciations of the characters 陰 and 陽, which are read yin and yang in Mandarin. Korean medicine uses the same concepts, applied through its own Sasang constitutional framework.
Can I be both eum and yang?
Everyone has both. The question is which one naturally dominates. Many people land near the middle of this test, and in Sasang medicine some types (especially Tae-Eum) can show mixed temperature signs while still being an eum constitution overall.
Can my eum-yang balance change?
In Sasang medicine your constitution is inborn and stable, but your current state shifts with seasons, stress, illness, age and diet. That is why the test asks about your lifelong pattern. If you recently started feeling much hotter or colder than usual, mention it to a doctor rather than putting it down to constitution.
Is it better to be eum or yang?
Neither. Each side has strengths and typical imbalances. Eum types tend to be steady and conserving but can run low on warmth and digestive energy; yang types tend to be energetic and quick but can overheat and burn out. The aim is balance, not a particular side.
How accurate is this test?
It is a quick self-reflection tool, not a validated diagnostic instrument. It captures the broad hot-or-cold tendency Korean medicine starts from. For your specific Sasang type, take the full assessment, and for a clinical assessment see a licensed Korean medicine doctor (한의사).