Phototherapy means to treat with light.
When sunlight penetrates the top layers of the skin, the ultraviolet radiation bombards the DNA inside skin cells and injures it. This can cause wrinkles, aging skin, and skin cancers. However, these same damaging effects can destroy the skin cells that form psoriasis patches.
Phototherapy for psoriasis can be given as ultraviolet A (UVA) light in combination with medications, or as variations of ultraviolet B (UVB) light with or without...
Read moreSource: ADAM Encyclopedia
PsychotherapyAmong the various psychotherapeutic "talk therapies," cognitive-behavioral therapy appears to be the most effective approach. If... Read more »
Source: ADAM Encyclopedia
Systemic means "affecting the entire body," rather than a single organ or body part. For example, systemic disorders such as high blood pressure or... Read more »
A new report from Thomson Reuters has found that the U.S. healthcare system wastes up to $800 billion every year, and that proposed healthcare reform... Read more »
Source: HealthCentral Encyclopedia
The immune system is the body's defense system.It is the business of the immune system to recognize "self" (the body's own cells) and "non-self" (an... Read more »
Find an image showing the digestive system and its component parts.... Read more »