What Is a Healthy Cholesterol Level by Age?

Illustration by Julie Bang for Verywell Health What Are Cholesterol Levels? Cholesterol is a jot down of fatty compound called alipidthat has many roles in the body. Cholesterol is found in the foods you eat, but it is also made by the liver. Illustration by Julie Bang for Verywell Health Cholesterol circulating in the blood is carried by special particles calledlipoproteins. The two major cholesterol-carrying lipoproteins include: The combination of your LDL and HDL cholesterol is called yourtotal cholesterol....

April 18, 2025 · 3 min · 450 words · Shawn Hahn

What Is a Hemangioblastoma?

Although hemangioblastomas are benign and grow gradually, they can become symptomatic and cause health issues over time. VHL is a hereditary gene mutation that causes hemangioblastomas, cysts, and other tumors to grow. This article will discuss the types, causes, diagnosis, and treatment of hemangioblastomas. alex-mit / Getty Images Common symptoms include: If a hemangioblastoma affects the retina, loss of vision is also a common symptom. Causes Most hemangioblastomas have no known cause....

April 18, 2025 · 1 min · 168 words · David Faulkner

What Is a Hematoma? Types and Treatment

Pain and swelling are common symptoms of hematomas. Hematomas can be life-threatening depending on how they were caused and what part of your body is affected. It also discusses ways to prevent hematoma injuries. Illustration by Mira Norian for Verywell Health Which Hematomas Are The Most Serious? By the time symptoms are noticed, chronic subdural hematoma has often gotten very big. However, they can also appear hours, days, or even weeks later....

April 18, 2025 · 2 min · 378 words · Ronnie Moore

What Is a Hemothorax?

Prompt treatment of a hemothorax is important to reduce the risk of developing long-term respiratory problems like troubled breathing. Diagnosis A careful history may give some clues to the cause and presence of a hemothorax. On the side affected, lung sounds may be diminished or absent. Flickr.com / Creative Commons / Fourrure An upright chest X-raymay help to diagnose a hemothorax. A chest CT or further testing may then be considered....

April 18, 2025 · 2 min · 214 words · Christy Berry

What Is a Hepatobiliary Iminodiacetic Acid (HIDA) Scan?

It lets a healthcare provider look at the bile ducts,gallbladder, and liver. It is sometimes also called acholescintigraphyorhepatobiliary scintigraphy. During this test, a tracer that contains a small amount of radioactive material is injected into the blood. Verywell / Emily Roberts Images captured during the procedure show how the tracer moves through the body. The test gives healthcare providers a picture of how the gallbladder and liver are working. It may take about an hour to complete....

April 18, 2025 · 3 min · 552 words · Jimmy Montgomery

What Is a Herniated Disc?

While that could be anywhere, the most common location is thelower (lumbar)region. Numbness or tingling in the shoulder or arm may also occur. These are symptoms of a very serious condition known ascauda equina syndromeand require emergent medical attention. Abulging discoccurs when the inner jelly-like substance presses against the outer layer of the disc. There are a few different reasons why a disc may herniate. Risk Factors There are several factors that increase a person’s chances of developing a herniated disc....

April 18, 2025 · 1 min · 173 words · Maria Williams

What Is a Hiatal Hernia?

This opening, known as the hiatus, is a muscle that separates the abdomen from the chest. Youll also learn what complications can occur and get a sense of what to expect during recovery. urbazon / Getty Images What Causes Hiatal Hernias? urbazon / Getty Images While its not exactly clear what causes a hiatal hernia, there are several possible explanations. This means many people who have hiatal hernias never experience signs and symptoms....

April 18, 2025 · 2 min · 384 words · Cynthia Young

What Is a High Deductible Health Plan?

Otherwise, HSA contributions cannot be made for any month that you’re not HSA-eligible. But when we look at deductibles in general, they’ve increased much more significantly. In 2014, the two limits were the same. PhotoAlto / Frederic Cirou / Getty Images This can be counter-intuitive, as we tend to think of HDHPs as the low-cost, high-deductible option. That can cause a conflict of rules when states go beyond what the federal government requires....

April 18, 2025 · 2 min · 347 words · Gwendolyn Walter

What Is a High Dose of Prednisone?

Corticosteroids, or steroids, are prescribed to treat many conditions involving inflammation. Inflammation is the immune system’s reaction against injury or infection. Steroids work by affecting the immune system anddecreasing inflammation. Getty Image / Mint Images Prednisone is a popularly prescribed steroid medication. Steroids are potent (strong) medicines. One such popular steroid medication is prednisone, a drug used to lower symptoms of low corticosteroid levels. However, a high-risk dosing schedule of prednisone varies based on the condition treated and individual factors....

April 18, 2025 · 4 min · 660 words · Manuel Kennedy

What Is a Hospitalist?

How Hospital-Based Physicians Improve Patient Care A hospitalist is a specialist physician who treats patients solely in a hospital. Hospitalists do not maintain outside practices but provide exclusive care to patients during their hospital stay. Hospitalists are on call to address a patient’s immediate medical needs. AMV Photo / Digital Vision / Getty Images AMV Photo / Digital Vision / Getty Images The term “hospitalist” wascoined in 1996by Drs. Concentrations The overriding role of a hospitalist is to improve the quality of care of hospitalized patients....

April 18, 2025 · 2 min · 266 words · Christina Frank

What Is a Hymenectomy?

Purpose of the Procedure The hymen is a membrane near the opening of thevagina. When it forms normally, it is thin and can be easily “broken.” In other cases, high-intensity physical activities like exercise or athletics may contribute to breaking the hymen. Innocenti / Getty Images Some people are born with a hymen that is not easily broken. Often, a congenital condition causing an imperforate hymen is diagnosed at birth....

April 18, 2025 · 3 min · 517 words · Brian Ferguson

What Is a Hyperextended Knee?

Knee hyperextension shows up when the knee joint bends backward beyond its normal range of motion. It can also lead to pain and several other symptoms. This medical problem most commonly occurs in athletes but can happen to anyone. SCIENCE PHOTO LIBRARY / Getty Images Tackle football or soccer players are particularly susceptible. Direct blows to the leg are not the only cause. The most commonly affected areas include: Themedial collateral ligament (MCL)andthe meniscusmay also be affected....

April 18, 2025 · 2 min · 281 words · Kellie Gomez

What Is a Hypnic Jerk and What Causes Sleep Starts?

A hypnic jerk is a sudden involuntary twitch or muscle contraction that occurs as you fall asleep. Hypnic jerks are common but may be more likely with stress or fatigue. These include: Seizures can lead to jerky or twitching motion, depending on thetype of seizure. Justin Case / The Image Bank / Getty Images This high-frequency movement may affect the extremities with the whole body and typically lasts longer than a sleep start....

April 18, 2025 · 1 min · 196 words · Omar Parrish