Tyruko(natalizumab-sztn) is abiosimilarto Tysabri (natalizumab). It’s only when your immune system iscompromisedthat the virus causes disease. These medications include Tysabri, Tyruko, Tecfidera (dimethyl fumarate), and corticosteroids. Verywell / Cindy Chung PML may then develop, resulting in damage to the outer coating of nerve cells. Resulting inflammation of the brain can be serious and potentially life-threatening. PML is fatal within a few months of diagnosis between 30 and 50 percent of the time....

There is an association between bipolar disorder and dementia. This difference is not substantial, and having bipolar disorder does not mean that you will definitely develop dementia. Dementia starts during later adulthood, usually past age 65, and continues to worsen over the years. FG Trade / Getty Images Overlapping Symptoms Bipolar disorder is a mood disorder. Episodes of depression and mania or hypomania (less intense than mania) can cycle with unpredictable timing....

It is meant to help people live longer, healthier lives. The longevity diet recommends following a plant-based diet that includes little-to-no meat and poultry and periodic fasting. More research is needed before this diet can be recommended as a way to increase your lifespan. Anne Stephneson / EyeEm/Getty Images The guidelines include following a five-dayfasting-mimicking dietperiodically throughout the year. Older adults may eat slightly more than that, including animal protein, to help preserve muscle mass....

Symptoms may include: Your doctor may also look for an enlarged spleen or a swollen liver. Diagnosis of Mono Mono is typically diagnosed based on symptoms, not bloodwork. The Epstein-Barr virus test looks for antibodies produced by the body when fighting an EBV infection. zoranm / Getty images These particular antibodies are of interest because EBV is a common cause of mono. Someone who has never been infected with EBV should not have EBV antibodies....

However, brown is not always the most common when it comes to particular ethnic groups. Inside the iris is a variety of pigments that gives your eyes their color. The combination of pigments and how they are distributed determine your specific hue. Leland Bobbe / Getty Images All of this comes down to genetics. It also discusses the biological and genetic factors behind eye color. Melanin, a yellow-brown pigment also responsible for skin tone, is the most predominant one....

Birth controlis not one size fits all. The first is how effective it is at preventing pregnancy when used exactly as intended, under ideal conditions. Only latex and plastic condoms protect against STIs. PeopleImages / Getty Images Lambskin condoms help prevent pregnancy, but do not protect against STIs. Internal condomsare thin pouches that create a barrier between the penis and the vagina. Internal condoms go inside the vagina (or anus) instead of on the penis....

A MUGA scan evaluates the overall ability of the heart to pump blood. The only potential concern is exposure to a very small dose of radiation. The tracer is flushed out of the body by the kidneys within 24 hours. PeopleImages / E+ / Getty Images That said, women who are pregnant or breastfeeding should not undergo a MUGA scan. Although the radiation dose is minimal, it may enough to harm a developing baby or nursing infant....

The one meal a day (OMAD) diet is extreme intermittent fasting. Intermittent fasting involves restricting your eating periods to certain times, usually to burn more fat and lose weight. Its also been shown to improve certain biomarkers in people with health conditions likeinsulin sensitivity. ArtMarie / Getty Images If you are considering the OMAD diet, speak with a healthcare provider. The risk was particularly increased for people with cancer. When Do Experts Say You Should Eat?...

It’s involved in climbing, walking on an incline, and several other knee movements. It’s also the joint affected by a common injury called “runner’s knee.” The underside of your kneecap sits in a groove within your thigh bone called thepatellofemoral groove. BruceBlaus / Wikimedia Commons /CC BY 3.0 When you contract thequadriceps musclesof your thigh, they pull on the quadriceps tendon that attaches to your kneecap. This makes your knee straighten....

“Perioperative” is a term used to describe the time around surgery. This article describes what happens in each of these three perioperative phases. Prior to intake, that person will usually be the treating doctor and/or surgeon. KatarzynaBialasiewicz / Getty Images Intraoperative Phase The second phase, known as the intraoperative phase, involves the surgery itself. (In smaller hospitals, the same person may be tasked with both responsibilities.) Postoperative care is mainly focused on monitoring and managing the patients physiological health and aiding in postsurgical recovery....

ThePittsburgh Sleep Quality Index (PSQI)is a questionnaire that is used to evaluate sleep problems. The result is used to get an idea about the quantity and quality of your sleep. What Is the PSQI? Getty Images/Luis Alvarez The PSQI was developed in 1989 by researchers at the University of Pittsburgh. The questions are all intended to be answered based on your sleeping pattern for the past month. The PSQI takes about 10 minutes to complete and it doesnt involve any procedures or interventions....

The test simply involves your practitioner inspecting and manipulating your knee to assess its movement and level of resistance. Healthcare provider can also perform different versions of this test on joints like those of the shoulders and ankles. Purpose of the Test The posterior drawer test is part of anormal knee exam. Ngampol Thongsai / EyeEm / Getty Images This injury rarely happens in isolation, with nearly eight out of 10 PCL tears occurring withother ligament damage....

Blood typing identifies ABO and Rh throw in, which are of major concern for transfusion compatibility. In some situations, your healthcare providers might recommend anautologous blood transfusionif you have a rare blood throw in. This process can ensure that you receive a match. Westend61 / Getty Images Hemolysis can be dangerous, causing anemia (RBC deficiency) and organ damage from the RBC breakdown products. Having Rh negative blood (which is different from Rh null) can be a health concern during pregnancy....