Dr. carl simonton is credited with introducing art therapy for his patients diagnosed with:

Dr. Carl Simonton is introducing art therapy used for Post traumatic stress disorder patient with psychological problems. Art therapy is a form of expressive therapy that uses the creative process of making art to improve a person’s physical, mental, and emotional well-being. Art therapy stands in contrast with other kinds of creative or expressive arts therapies that use dance, music or drama. ... However, the potential healing power of art therapy has not been thoroughly studied in certain patients, such as trauma victims with disorders such as PTSD. Post traumatic stress disorder

Crossing over creates new combinations of genes in the gametes that are not found in either parent contributing to genetic diversity

Six amino acids have side chains that are polar but not charged. these are serine (ser), threonine (thr), cysteine (cys), asparagine (asn), glutamine (gln), and tyrosine (tyr). these amino acids are usually found at the surface of proteins, as discussed in the proteins 2 module.