The idea that an emotion carried over from a former life lodges in the body and eventually shows up as physical illness is a recurring theme in past life regression circles. A chronic pain, a stubborn symptom, an ailment that doctors cannot fully explain, all get read as the body holding a wound from another existence. The appeal is obvious for anyone living with a symptom that has resisted explanation, but the claim needs to be looked at squarely, because real health is at stake.
There is no scientific evidence that unresolved past life emotions cause physical illness, and there is no mechanism by which they could. Past lives themselves are unsupported by evidence, and the imagery a regression produces is generated by the mind from imagination and suggestion rather than retrieved from a prior existence. Building a causal chain from an unverified former life, through an emotion that was never measured, to a present physical disease asks each unproven link to carry the next. A symptom that feels like it has an old, deep source is a statement about how the symptom feels, not about where it came from.
What is true, and worth stating carefully, is the narrower and well-documented relationship between psychological state and physical experience. Chronic stress and unaddressed emotional distress can affect the body in real ways, influencing things like muscle tension, sleep, and the experience of pain, and stress management can help some people feel better. That is a present-life mechanism operating on a present-life nervous system. It is a long way from the claim that an emotion from another century is the hidden cause of an illness now.
The genuine danger in the past life framing is what it can displace. A physical symptom can have a medical cause that needs diagnosis and treatment, and reading it instead as a leftover from a former life can delay the care that actually matters. The line that must not be crossed is treating a regression session as an explanation for, or a treatment of, a physical condition. Persistent or unexplained physical symptoms call for a doctor, not a session, and nothing surfacing in regression should pull someone away from that.
Kept to what it can honestly offer, regression may have value as reflection, a way of sitting with emotion and finding meaning, and a person may find a session moving or clarifying. That is separate from any claim about disease. The responsible reading keeps the imagery as personal, symbolic material and keeps the body’s symptoms where they belong, in the hands of medical care, so that a story about a past life never stands in for a diagnosis the present life requires.