Definition of Psoralen:

A chemicals which can cause toxic effects when exposed to sunlight.

Topics Related to Psoralen

Parsley a treatment
“...The psoralen compounds found in parsley have been linked to a photodermatitis reaction found among parsley cutters...”

Psoriatic Arthritis

...the condition
“...It involves taking a medicine called psoralen and sitting under a certain type of light...”
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