Tiny organisms such as viruses, bacteria, fungi and worms can produce infectious diseases. Whatever the causative agent, it services in the person it infects and is passed on to another. Sometimes, a disease-producing organism gets into a person who shows no symptoms of the disease. The asymptomatic career can then pass the disease on to someone else without even knowing he has it.
Non-infectious, or non-communicable diseases are caused b malfunctions of the body. These include organ or tissue degeneration, erratic cell growth, and faulty blood formation and flow.
Also included are disturbances of the stomach and intestine, the endocrine system, and the urinary and reproductive systems. Deficiency diseases are due to deficiency in the diet of a nutrient.
They can generally be cured by providing the missing nutrients. Iron deficiency causes hemoglobin deficiency in blood. Vitamin B0riboflavin vi Pellagra: Vitamin C — ascorbic acid. Infectious disease are caued by various agents such as virus, bacteria, fungi and protozoa. D Diseases caused by protozoans: Filaria, Tapeworm and Hookworm transmission. Degenerative disease occur due to malfunctioning of some organ or organ system in the body. They are Hear Attack, Diabetes mellitus, Arthritis.
There can be paralysis, brain damage, blindness, heart trouble etc. The incubation period is 10 to 90 days. The disease is curable through appropriate antibiotics like penicillin and tetracyclin. The causative pathogen is Neisseria gonorrhoea. The bacteria lives in genital tubes and produces pus containing discharge pain around genitalia and burning sensation during urination. Incubation period is 2 to 5 days. It can be treated with appropriate antibiotics like penicillin and ampicillin.
The causative bacterium is Haemophilus ducreyi. In this infection ulcer appears over the external genitalia which is painful and bleeding with swelling of nearby lymph nodes. It can be treated with antibiotics. The symptoms of AIDS are continued fever, lethargy, weight loss, nausia, headache, rashes, pharyngitis etc. Due to loss of immunity, the body is unable to protect itself against any type of infection.
The incubation period is 6 months to 10 years. The symptoms of the disease are fatigue, jaundice, persistent low fever, rash and abdominal pain.
At a later stage there is liver cirrhosis and possibly liver cancer, it can be dignosed by Austrelian antigen test and ELISA. The causative virus is Herpes simplex virus. In this disease there are vesiculopustular lesions followed by clusters of painful erythematous ulcers over external genitalia and perianal regions. Symptoms are more severe in females.
There is fever, headache, pain, and itching, vaginal and urethral discharge with swelling of lymph nodes. It is also an incurable STD. These are hard outgrowths developing on the outer surface of external venitalia and perianal area. In women infection may enter vagina and cervix. It spreads through sexual intercou r se with carriers of this virus. Cryosurgery is used for removal of the warts. Chlamydiae is a bacterial class whose members are obligate intracellular pathogens.
The following STDs are caused by chlamydiae. The causative bacteria are chlamydia trachomatis. This is a human pathogen that causes trachoma, sexually transmitted and perinatal infection. It causes urethritis epididymitis, cervicitis, inflamation of fallopian tubes, proctitis. The disease is transmitted by sexual contact with infected mating partner. The incubation period is about one week.
Antibiotics like tetracycline, erythromycin and rifampacin are effective medicines. The causative bacterium is chlamydia trachomantis of L 1 , L 2 , L 3 serotype.
Short Essay on Human Diseases! A disease is a condition that impairs the proper functioning of the body or of one of its part. Every living thing, both plants and animals, can succumb to disease.
Essay on Disease # 5. Allergic Rhinitis (Hay Fever): Characteristic symptoms of hay fever, induced following exposure of the nasal mucosa to the allergen through inhalation, include profuse watery nasal discharge with sneezing, frequently accompanied by redness, irritated and watery eyes and headache.
A disease is a condition that impairs the proper function of the body or of one of its parts. Every living thing, both plants and animals, can succumb to disease. Hundreds of different diseases exist. Each has its own particular set of symptoms and signs, clues that enable a physician to diagnose. - Disease and Pathology Lyme disease, or lyme borreliosis, is an emerging infectious disease transmitted by ticks. Lyme disease is considered an emerging infectious disease because it’s incidence has .
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