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Healing

With physical trauma or disease suffered by an organism, healing involves the repairing of damaged tissue(s), organs and the biological system as a whole and resumption of (normal) functioning. Medicine includes the process by which the cells in the body regenerate and repair to reduce the size of a damaged or necrotic area and replace it with new living tissue. The replacement can happen in two ways: by regeneration in which the necrotic cells are replaced by new cells that form "like" tissue as was originally there; or by repair in which injured tissue is replaced with scar tissue. Most organs will heal using a mixture of both mechanisms.[1]

For other uses, see Healing (disambiguation).

Within surgery, healing is more often referred to as recovery, and postoperative recovery has historically been viewed simply as restitution of function and readiness for discharge. More recently, it has been described as an energy‐requiring process to decrease physical symptoms, reach a level of emotional well‐being, regain functions, and re‐establish activities[2]


Healing is also referred to in the context of the grieving process.


In psychiatry and psychology, healing is the process by which neuroses and psychoses are resolved to the degree that the client is able to lead a normal or fulfilling existence without being overwhelmed by psychopathological phenomena. This process may involve psychotherapy, pharmaceutical treatment or alternative approaches such as traditional spiritual healing.

Genetics[edit]

Many genes play a role in healing.[3] For instance, in wound healing, P21 has been found to allow mammals to heal spontaneously. It even allows some mammals (like mice) to heal wounds without scars.[4][5] The LIN28 gene also plays a role in wound healing. It is dormant in most mammals.[6] Also, the proteins MG53 and TGF beta 1 play important roles in wound healing.[7]

Health

With this simple Flash demonstration, Harvard professor Donald Ingber explains how wounds heal, why scars form, and how tumors develop. Presented by Children's Hospital Boston.

How wounds heal and tumors form

Wound Healing and Repair

Lorenz H.P. and Longaker M.T. . Stanford University Medical Center.

Wounds: Biology, Pathology, and Management

Romo T. and McLaughlin L.A. 2003. . Emedicine.com.

Wound Healing, Skin

Rosenberg L. and de la Torre J. 2003. . Emedicine.com.

Wound Healing, Growth Factors

After the Injury- Children's Hospital Of Philadelphia