Psoriasis is a disease that appears in between one and three percent of world’s population. It is not contagious, and it appears because of problems and different breakdowns in person’s immune system. Those problems can be triggered by stress, environmental conditions, a way of life, and many other things. It is usually passed on from one generation to another, so it has a lot to do with genetics. If somebody in the family has had psoriasis in their lives, the chances are big that some of the ancestors will develop the same disease later in life. Psoriasis appears as skin lesions that are scaly or inflamed, and psoriasis can also appear together with arthritis on feet and hand joints.
Psoriasis’ visible nature often causes discomfort in people, so they often cover their parts of the body, which are highly affected. They often cover up their arms, neck, and legs with clothing like shirts with long sleeves, shirts with polo necks, as well as trousers, even if the weather is hot outside. This is of psychological nature, so other people would avoid staring at the marks caused by psoriasis.
Types Of Psoriasis
There are five types of psoriasis:
- and erythematic.
Most of the people that have psoriasis have the plague type. Plague type of psoriasis forms a scaly skin that is thick, and that can have silver or white color. It can appear on any body part, but most often is found on elbows, back, scalp, and knees.
When it comes to the causes of psoriasis, the definite answer why it appears is not yet known. There are two theories today that explain the causes of psoriasis. The first theory that explains the appearance of psoriasis says that this disease is a disorder that leads to an unexplained progressive growth of skin cells. The excessive replication and growth of skin cells happen because of the erroneous epidermis.
Second theory about psoriasis points out at malfunctioning immune system and the effects from it. The fast reproduction and growth of cells lead to the appearance of psoriasis. Every person has cells that protect their body against different infections. In the case of a malfunctioning immune system, these protective cells start to get active and move close to the person’s dermis. There they activate the cytokines, which lead to the growth of cells and skin swelling. It is not yet fully clear and explainable what causes these protective, so-called T-cells, to get active and move.
Anyhow, this theory is widely accepted today, and medications such as immunosuppressants have shown positive results in eliminating plague psoriasis. In any case, it is not known whether the T-cells have some role in the appearance of psoriasis. Many studies have been conducted on animals, but those results are not applicable fully to the humans, so that is why there are still many unanswered questions regarding the causes of psoriasis.
In general, the initial occurrence of psoriasis happens when the person goes under big stress, which can be physical or mental. It can also occur after some bacterial infection or a wound. Climatic changes, infections, tension, and stress can make the symptoms of psoriasis much worse. An interesting fact is that people with oily skin are usually not affected with this disease. More prone to psoriasis are people that have very dry skin or that have some wounds. People with dry skin lack the moisture and lubrication that protects their bodies from different harmful microorganisms and prevent these microorganisms from entering.
A thing to know is that psoriasis is not the same with the condition known as Athlete’s foot. Athlete’s foot is a skin condition that appears when the skin has some fungal infection, and fungal bacteria feed on the moist skin. On the other side, psoriasis appears on the dry skin, skin that lack moisture to battle against skin problems and infections. Athlete’s foot and psoriasis have almost same symptoms like skin rashes and swelling, but they are different diseases.
Scientific studies are consistently conducted for finding out the direct causes of psoriasis. However, the definite answer is still not found. New theories emerge every day, but one potential answer is that psoriasis could be due to a malfunctioning immune system and unexplainable regeneration and growth of skin cells.
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