Lack of response to stimuli is one of the criteria healthcare providers use when declaring someone brain dead. Some of the other criteria include an absence of reflexes and an inability to breathe without a ventilator. What Causes Brain Death? Medic Image / Getty Images Brain cells do not effectively regenerate. This makes it difficult for the brain to recover from injury. When brain cells undergo permanent damage, they cannot be replaced....

Biologics may be prescribed for the treatment of many different diseases and conditions, especially inflammatory diseases. Dr_Microbe / iStock / Getty Images What Is a Biologic? They are manufactured in a controlled, engineered environment. Dr_Microbe / iStock / Getty Images The production and chemical composition of biologics are more complex than that of most medications. Biologics are large molecules, with a high molecular weight. They tend to be unstable and in many cases need to be kept refrigerated until they are used....

Anxious attachment is an attachment style marked by insecurity in relationships. It is also called anxious preoccupied attachment. Attachment styles develop in childhood and continue into adulthood. Verywell / Ellen Lindner Anxious attachment is characterized by an unhealthy preoccupation with relationships that causesanxiety. People with this attachment style may have fears of rejection and abandonment and low self-esteem. They are often perceived as “clingy” or “needy” in their relationships. Research has shown that anxious attachment can affect trust in a relationship....

Like any other physical feature, the appearance of calves and ankles varies. For some people, cankles are normal and require no treatment. Cankles may also be caused byswelling. Toa55 / Getty Images Toa55 / Getty Images How Do Cankles Look, and Are They Unhealthy? Cankles mean that the bottom of the calves and the ankles blend together to appear as one. People across the spectrum of body weight may have cankles....

Leaking amniotic fluid earlier in pregnancy is a preterm complication in which the amniotic sac ruptures early. It’s known as the premature rupture of membranes (PROM). This is a serious condition that requires medical attention. Abraham Gonzalez Fernandez/ Getty Images Abraham Gonzalez Fernandez/ Getty Images Leaking Amniotic Fluid: What Week Can It Begin? Most pregnant people experience leaking amniotic fluid at the end of their pregnancy when labor is starting....

These differences can help diagnose gastrointestinal conditions like constipation or irritable bowel syndrome. This article goes over some of the stool characteristics that could indicate a problem in your gastrointestinal system. Hard Stools Hard stools are those pebbly nuggets that are hard to pass. Caiaimage / Chris Ryan Getty Images Sometimes the pebbles lump together into one larger mass that passes through in a singlebowel movement. In such cases, there may be a sharp edge to the front of this lump....

Relationship Tips for Married Couples Bipolar disorderis a mental health condition that can cause significant mood changes. A persons energy levels, thoughts, feelings, and behaviors may be affected. This can create problems and impact the quality of life partners have established. Verywell / Julie Bang Its common for someone with bipolar disorder to hurt or offend their partner or be controlling. Bipolar Disorder at a Glance Bipolar disorder is characterized by extreme mood fluctuations....

On October 2, 1996, Lance Armstrong was diagnosed withtesticular cancer. About Testicular Cancer Testicular cancer is not one single disease. Embryonal carcinomas arise fromgerm cellsfrom which normal embryo cells develop. Gail Oskin/Stringer/Getty Images Stages Testicular cancer is further classified by stage. Generally speaking, cancer is no longer curable when it has metastasized. One of the exceptions is nonseminoma testicular cancer in which a cure may be possible even with metastatic disease....

Most over-the-counter (OTC) remedies will do the trick for occasional constipation. Because many different kinds of laxatives are available, it can be overwhelming to pick the right one. Before making a choice, it is essential to know about the safety and effectiveness of each form. londoneye / Vetta / Getty Images The three major osmotic laxatives are Miralax, lactulose, and milk of magnesia. A stimulant laxative is generally recommended as a short-term treatment for constipation....

Your bodys fat cells releaseleptina hormone that helps regulate your metabolism and weight. It sends signals to the brain to indicate satiety (feeling full after eating) to suppress hunger. This article discusses the health impacts, causes, risk factors, and symptoms of leptin resistance. Illustration by Zoe Hansen for Verywell Health Leptin resistance arises when those receptors lose sensitivity to leptin. Levels spike with eating and signal when youve had enough food, contributing to the feeling of fullness afterward....

AST was formerly termed “SGOT,” which stands for “serum glutamic-oxaloacetic transaminase.” An AST test and an SGOT test are the same test. Aleksandr Zubkov / Getty Images AST Levels: What’s Low, Average, and High? Aleksandr Zubkov / Getty Images Its important to note that the definition of normal range may differ slightly from one lab to another. You might also get an AST test as part of routine monitoring if you have liver disease....

The best choice will likely change throughout the days of your period. How Often Should You Change a Tampon? To reduce your risk of TSS, change your tampon at least every four to eight hours. Sporrer / Rupp / Getty Images If yousleeplonger than eight hours, avoid using a tampon overnight. You may need to adjust the size of your tampon depending on your menstrual flow. Many brands offer multi-packs with tampons of a variety of absorbencies in one box....

Usually, getting a loose nail is a gradual process that only impacts part of the nail. The half-moon shape at the base of the nail, beneath the cuticle, is known as thelunula. The lunula is part of the nail matrix, which is where the growth of the nail occurs. DermNet /CC BY-NC-ND Any damage to the nail matrix can cause a nail to separate from thenail bedand become loose. While this throw in of infection is commonly found in toenails, it can also occur in fingernails....