What is **disease?
Paragraph heading 1: Introduction.
* It is one of the organs of the human body, and it has a variety of functions, including protecting internal organs, regulating body temperature, and sensing external stimuli.
However, due to the influence of the environment, genetics, and lifestyle, it is easy to have various problems, leading to various diseases.
A disease is any disease or lesion that affects, and they may cause discomfort, pain, and serious health problems.
Paragraph heading 2: Common ** disease.
1.Acne: Acne is a common ** disease that occurs mainly during adolescence, but it can also occur in adults.
It is caused by excessive oil production by the sebaceous glands, which leads to clogged pores.
Acne usually appears on the face, chest, and back and can be accompanied by inflammation and pain.
2.Eczema: Eczema is a chronic inflammation characterized by itching, redness, swelling, and blistering.
It can be caused by allergies, dryness, exposure to irritants, or genetic factors.
Eczema usually appears on the arms, bends of the knees, and on the face.
3.Psoriasis: Psoriasis is an immune-related, chronic** disease characterized by red patches and covered with white scales.
It can be caused by an abnormality in the immune system that causes overgrowth of ** cells.
Psoriasis usually appears on the scalp, knees, elbows, and back.
Paragraph heading three: Causes of illness.
1.Genetic factors: Some ** diseases may be related to an individual's genes.
For example, eczema and psoriasis may be linked to family history, as they may be genetic.
2.Environmental factors: Environmental factors in daily life may cause or aggravate some ** diseases.
For example, sunlight can cause sunburn and cancer, and chemicals and irritants can cause eczema and dermatitis.
3.Abnormal immune system: Abnormal function of the immune system may lead to the occurrence of certain ** diseases.
For example, psoriasis and autoimmune** diseases may be related to the immune system attacking normal** cells.
Paragraph heading IV: Prevention and **.
1.Maintain good hygiene Xi: Regular bathing and keeping ** clean are one of the important measures to prevent ** disease.
In addition, avoiding excessive cleaning and the use of harsh chemicals is also key to protection**.