The role of psychological factors and adjustment mechanisms in physical illness has developed into a specialized branch of medicine known as:

Consider the following statements about the perception of autism and its diagnosis: A. Women and girls with autism are often misdiagnosed due to not matching common stereotypes. B. The mental health challenges faced by autistic people are unrelated to their daily experiences. C. Autistic individuals may sometimes be diagnosed with other conditions like bipolar disorder or schizophrenia. Which of the following is correct?

Jane often feels inadequate when she sees her friends' vacation photos on social media, believing that they have more exciting lives than she does. Which psychological phenomenon best explains Jane's feelings in this situation?