Pediculosis, also known as head lice, is a very common condition worldwide. Head lice have been a part of human existence since prehistoric times, and today it is no different. Pediculosis can be found in every country, culture, and social class, almost without exception. Below you will find some of the most commonly asked questions about pediculosis -head lice.
What exactly is pediculosis? Pediculosis is a condition of infestation by very tiny insects that can be found on the heads and in the hair. headlice is not the same as body lice.
Just how common is lice infestation? Pediculosis is very common; actually, it has been estimated that 1 out of every 10 children will become infested with head lice at some point, while attending school.
Are my children at risk for getting head lice? Unfortunately, anyone who has close contact with someone who is already infested with head lice can get it. Moreover, all you have to do is come in close contact with the belongings of an infested person in order to become infested with this parasite. This includes personal belongings such as coat, scarf, comb, towels, pillows, etc. Children that are preschool, or elementary school age, are the individuals who become infested most often.
I'm not sure of what I am looking for when I examine my child's head. What do head lice look like? When examining someone's head for a pediculosis infestation, you will be looking for three different types of lice. There are the nits, which are the eggs of the lice, the nymph, which are the babies that have hatched, and finally there is the adult.
Nits: The eggs are often hard to see, but you will find them attached to the hair shaft. They are oval in shape, and usually yellow to white in color. Lice eggs take about one week to hatch after being attached to the hair shaft. Nymph: These are baby lice, and they will look like a smaller version of the adult. Once the baby lice hatch, they will grow into adults within 7 days. Adult Lice: The adult lice are approximately the size of a very small seed, and tend to be gray-white or tan in color. The adult females will begin laying eggs on the hair shaft, and with a lifespan of 30 days, the lice will greatly multiply in a short period of time. These insects must feed off of human blood to survive, which leads to the irritating itch experienced by the infested person.
Cancer is a term for diseases in which abnormal cells divide without control. Cancer of the prostate is the most common malignancy in American men. Malignancy is a cancerous tumor that can invade and destroy nearby tissue and spread to other parts of the body. Early prostate cancer is localized (confined) to the gland, and the majority of patients with localized prostate cancer have a long survival after diagnosis.
Who is at risk for prostate cancer?
All men are at risk. The most common risk factor is age. More than 75 percent of men diagnosed with prostate cancer each year are over the age of 65. African American men have a higher risk of prostate cancer than white Americans. There is some evidence that a diet higher in animal fat may, in part, underlie these differences in risk. Genetic factors also appear to play a role, particularly for families in whom the diagnosis is made in men under age of 60 years. The risk of prostate cancer rises with the number of close relatives who have the disease. It is generally recommended that men who are at high-risk begin screening at age 40 and men who are not at high-risk begin screening at age 50.
What are the symptoms of prostate cancer?
Prostate cancer often does not cause symptoms for many years. By the time symptoms occur, the disease may have spread beyond the prostate. When symptoms do occur, they may include: Frequent urination, especially at night Inability to urinate Trouble starting or holding back urination A weak or interrupted flow of urine Painful or burning urination
Can prostate cancer be fround before a man has symptoms?
Yes. Two tests are commonly used to detect prostate cancer in the absence of any symptoms. One is the digital rectal exam, in which a doctor feels the prostate through the rectum to find hard or lumpy areas. The other is a blood test used to detect a substance made by the prostate called prostate specific antigen (PSA).
What are the treatment options for localized prostate cancer? There are five generally accepted options for treatment of patients with localized prostate cancer: Nerve-sparing surgery (reduces the risk of erectile dysfunction side effects) Hormonal therapy (Lowers production of testosterone) Radiation therapy Brachytherapy seed implants Chemotherapy (Uses anti-cancer drugs) (New) Cryosurgery (Uses liquid nitrogen to freeze and kill prostate cancer cells) Because prostate cancer is often slow growing, a minority of men choose not to be treated at all (so-called watchful waiting) unless blood tests suggest that the tumor is becoming more aggressive.
Where can I find additional information?
Go to website http://www.mens-prostate-cancer.org/faqs.html
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