Within a few hours after sun exposure, a person may notice having red and painful skin that feels hot to the touch. This means that they have a condition known as sunburn, which may take from several days to weeks in order to fade.
The risk of developing skin related diseases and complications will increase due to intense sun exposure. Some of those complications may be skin cancer (including melanoma), liver spots, dry and wrinkled skin ... more
When someone's hair follicles become infected, usually with Staphylococcus aureus or other types of bacteria, folliculitis occurs. Hot tub folliculitis and barber's itch are some of the types of folliculitis. Mild folliculitis could be uncomfortable and embarrassing, and when the infection is severe, it could cause permanent hair loss and scarring.
Generally, the infection appears as small and white-headed pimples ... more
When an injury to the network of nerves that sends signals from the spine to the shoulder, arm and hand occurs, it is called brachial plexus injury. This injury occurs when these nerves are stretched, or in some severe cases torn, which generally happens when a person's shoulder is pressed down forcefully while their head is pushed up and away from that shoulder.
Although a brachial plexus injury can occur in auto accidents, ... more
When painful pus-filled bumps form under the skin due to infection from bacteria or inflammation of one or more of hair follicles, it is called boils and carbuncles.
Boils, which are also called furuncles, usually begin as red, raw lumps. Pus quickly fills the lumps, growing larger and more painful until they burst and drain.
A carbuncle is a set of boils forming a merged infected area under the skin.
A boil shouldn’t ... more
The most serious type of skin cancer that develops in the cells that produce melanin, the pigment that gives the skin its color, is melanoma. This type of cancer can also form in the eyes and in some rare cases, in the intestines or other internal organs.
The risk of developing melanoma increases greatly by exposure to ultraviolet (UV) radiation from sunlight or tanning lamps and beds, though the exact cause of all ... more
The cancer that begins in the retina, which is the sensitive lining on the inside of the eye, is called retinoblastoma. This cancer rarely occurs in adults, and it most commonly affects young children.
Nerve tissue that senses light as it comes through the front of the eye makes up the retina. In the brain, signals are interpreted as images after the retina sends these signals through the optic nerve to the brain.
Retinoblastoma is the ... more
