Warts are small, rough growths on the skin caused by the human papillomavirus (HPV). They can appear on any part of the body but commonly occur on the hands and feet.

Hyperthyroidism and hypothyroidism are both conditions related to the thyroid gland, a butterfly-shaped gland located in the front of the neck, just below the Adam's apple.

An allergy is an abnormal immune system response to a substance that is typically harmless to most people. This substance, called an allergen, can trigger the body's immune system to produce antibodies, leading .

Psychotic disorders, including schizophrenia and delusional disorder, are mental health conditions characterized by disruptions to a person's thoughts, emotions, and perceptions.

Immunologic infertility, also known as immunological infertility, refers to a condition where the body's immune system mistakenly targets reproductive cells or tissues, hindering fertility.

A varicocele is a condition characterized by enlarged veins within the scrotum, the pouch of skin that holds the testicles. Varicoceles are similar to varicose veins that occur in the legs.