Chap toasters
A teratogen is an agent that causes birth defects.
Pathogen
Bruise (medical term = ecchymosis)
A teratogen is a factor that causes birth defects.
Fluorescein stain causes the cornea to appear green with lit with a Woods lamp.
Mumps
Allergic reactions, medical conditions like asthma
It can be, along with physical, medical, environmental and other causes.
i donr know
The Medical term is Precipitin.
Mostly counseling, or actually facing and overcoming your fear, but there are not any majorly successful medical treatments.