 Melanoma appears in a place on the body that can be related to an event in which you felt dirty, stained. Melanin is part of the basal layer of the epidermis and is a pigment in cells responsible for giving color (pigment) to our skin. It is also responsible for...
 Chicken pox is a classic childhood disease. It presents symptoms similar to those of the flu, as well as some lesions in the dermis (vesicles and scabs). The mission of viruses is to clean and change the patterns and meanings (DNA) of the cells where they reproduce....
 Herpes zoster or zone is a skin condition of infectious origin that is characterized by a very painful rash in the path of a sensitive nerve, accompanied by burning sensations. The zoster tends to occur more often in people who have had chickenpox in the past, so it...
 The thyroid is a neuroendocrine gland that weighs between 15 and 30 grams and is made up of two butterfly-shaped lobes located on either side of the windpipe. The thyroid participates in the production of hormones, especially thyroxine (T4) and triiodothyronine...
 The skin, although we are not aware of it, is the largest organ of the body, the one that surrounds us and serves as a border between ourselves and others. Skin is precisely what separates us, but can also unite us. It represents our limitations, because we cannot...
 It is an acute or chronic inflammation of the skin caused by erythema, exudation, scabs, etc. It can cause burning in the area. This inflammation occurs to repair epidermal tissue after ulceration. Eczema appears after a more or less intense contact break situation....
The cornea and conjunctiva are two essential layers for vision and eye protection. The cornea is a transparent converging lens that refracts light. The conjunctiva on the other hand, protects and lubricates the surface of the eyelid and the eye. What biological...
The retina is the layer of light-sensitive tissue on the inner back of the eye and acts like the film in a camera: images pass through the lens of the eye and are focused on the retina. The retina has the function of seeing, examining or scrutinizing in case of...
 Presbyopia, also called eyestrain, is a defect in the eye that does not see nearby objects clearly due to poor accommodation of the lens. Symptoms appear around age 45 and progress to about 60. Presbyopia translates our inability to see clearly and objectively...