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Not all individuals with a clinically isolated syndrome (CIS) develop multiple sclerosis (MS). Clinically isolated syndrome (CIS) is often considered as a phenotype or phase of multiple sclerosis (MS). The clinical symptoms of both CIS and MS look identical. Both are the conditions where the myelin sheath around the neuron is damaged (demyelination) and interferes …

What is Lou Gehrig’s disease? Lou Gehrig's disease is a progressive and degenerative neurological disease. The cause of Lou Gehrig's disease may be genetics, environmental factors, autoimmunity, or other unknown reasons. Lou Gehrig’s disease is a progressive and degenerative neurological disease. It attacks nerve cells in your spine and brain, and your symptoms steadily worsen as your nerve cells die. …

The diagnosis of a chronic migraine depends on the number of days a headache persists rather than the level of disability. Chronic migraine is defined by the International Headache Society as 15 or more headache days per month, with at least eight of those days satisfying migraine criteria. Five criteria for migraine include: Moderate to severe pain that may be …

Generic Name: yohimbine Brand Names: Aphrodyne, Yocon Drug Class: Herbals What is yohimbine, and what is it used for? Yohimbine is a prescription medicine used to treat male impotence (erectile dysfunction) due to diabetes, vascular conditions or psychological origin. There are, however, limited data on its efficacy, and more effective drugs such as phosphodiesterase-5 inhibitors are available to treat erectile …

A viral load tests count the number of human immunodeficiency virus (HIV) copies per milliliter of blood. An undetectable human immunodeficiency virus (HIV) viral load is defined as less than 20 copies of HIV per milliliter of blood. Many HIV tests may not detect the virus if there are fewer than 50 copies per mL of blood. However, modern tests …

Iron’s role in the body Low iron is the most common nutritional deficiency in the world. If you are anemic, you do not have enough healthy red blood cells. Being low on iron is one cause of anemia. If you are anemic, you do not have enough healthy red blood cells. You also may be low on hemoglobin, a protein …

Generic Name: dextroamphetamine Brand Names: Dexedrine, ProCentra, Zenzedi Drug Class: Stimulants; ADHD Agents What is dextroamphetamine, and what is it used for? Dextroamphetamine is a stimulant drug used to treat a chronic sleep disorder (narcolepsy) that causes daytime drowsiness, and attention deficit hyperactivity disorder (ADHD) in both adults and children. Dextroamphetamine is a sympathomimetic amine drug that mimics the action of …

Breast cancer is a type of cancer that develops in the tissues of the breast. According to the Centers for Disease Control and Prevention, progressing age is probably the most important risk factor for breast cancer. As women age, the risk of breast cancer increases. Most cases of breast cancer are seen among women who are about 50 to 69 …

You’re not actually experiencing a calorie deficit Estimating calorie intake and expenditure can be difficult. You may not be losing weight while experiencing a calorie deficit because the app, or fitness tracker, or journal you're using may not be providing an accurate picture of how many calories you're burning and taking in. You've estimated how many calories you burn in …

Learn the 11 criteria for lupus, which were developed by the American College of Rheumatology. Systemic lupus erythematosus (SLE), a most common type of lupus, is a multi-organ autoimmune disease in which your body’s immune cells attack your own organs or tissues. This can affect any organ in the body and cause inflammation. Lupus can produce a variety of symptoms …