Heart: Anatomy & Function
Your heart is a vital organ that keeps blood pumping through your body. Learn more about your heart.| Cleveland Clinic
Your heart is a vital organ that keeps blood pumping through your body. Learn more about your heart.| Cleveland Clinic
A malignant neoplasm is a cancerous tumor. It develops when abnormal cells grow, multiply and spread to other parts of your body.| Cleveland Clinic
IVIG is intravenous immunoglobulin, an infusion of donated immune system antibodies. It’s safe, effective and low-risk. Learn everything you need to know about IVIG.| Cleveland Clinic
Pet allergies cause you immune system to overreact to substances in animals. Learn more about pet allergy causes, treatment and prevention.| Cleveland Clinic
A substance use disorder (SUD) is a complex mental health condition. Learn about the signs and treatment options available.| Cleveland Clinic
Your tooth pulp is the jelly-like, innermost layer of each tooth. It contains nerves and blood vessels. It’s what keeps your tooth alive.| Cleveland Clinic
PTSD (post-traumatic stress disorder) is a mental health condition that some people develop after they experience or witness a traumatic event. It’s treatable.| Cleveland Clinic
Serotonin syndrome is a potentially life-threatening condition that occurs when you take medications that affect serotonin levels. Serotonin is a normal chemical in your body. Serotonin syndrome symptoms include agitation, blood pressure change, fever, rapid heart rate, seizures and twitching muscles. Stopping the drug(s) causing serotonin syndrome is the main treatment.| Cleveland Clinic
Mitochondria produce energy in your cells. Learn more about mitochondrial diseases and how mitochondria affect how organs function.| Cleveland Clinic
Dermal fillers are injections that smooth wrinkles and restore volume to sagging skin on your face. Results typically appear right away and last for months.| Cleveland Clinic
“Processing speed” is a term that describes how your brain receives, understands and responds to information. Learn more about this function.| Cleveland Clinic
Myoclonus is a fast, sudden muscle movement, like a twitch or jerk. It can be harmless and happen for normal reasons or it can be a symptom of a medical condition.| Cleveland Clinic
Signs of anxiety in children are different from in adults. Learn more about how to recognize and manage their anxiety.| Cleveland Clinic
Your face has about 20 facial muscles which you need to chew and make facial expressions. Learn more about the types are their functions.| Cleveland Clinic
Vasodilation is the medical term for when blood vessels in your body widen, allowing more blood to flow through them and lowering your blood pressure.| Cleveland Clinic
Signs and symptoms of rhabdomyolysis include weak muscles, muscle stiffness and a change to your pee color.| Cleveland Clinic
Whether you’re right around the corner, across the country or on the other side of the globe, you can receive expert care in person or online from Cleveland Clinic.| Cleveland Clinic
Temporomandibular joint (TMJ) disorders cause more than jaw pain. Cleveland Clinic’s TMJ specialists offer the latest treatments for relief.| Cleveland Clinic
A mouth guard is a dental appliance that fits over your teeth. Mouth guards may be store-bought or custom-made. Adults and children alike can benefit from them.| Cleveland Clinic
Jaw pain is a common issue that affects millions of people in the U.S. Jaw pain may be mild or can be severe and affect your quality of life.| Cleveland Clinic
If you’re having trouble opening your mouth after radiation therapy to your jaw — you may have trismus. Jaw pain and tightness are common symptoms.| Cleveland Clinic
Malocclusion means your upper and lower teeth don’t align when you close your mouth. Learn how treatments like orthodontics and oral surgery can help.| Cleveland Clinic
Left untreated, bruxism can cause jaw pain and dental damage. Learn more about treatments that can help you stop grinding your teeth.| Cleveland Clinic
A physical exam is an annual checkup to evaluate your overall health and address any concerns you may have.| Cleveland Clinic
Salmonella is an infection with Salmonella bacteria that causes diarrhea, fever and stomach pains. Salmonella usually goes away on its own but can cause dehydration.| Cleveland Clinic
Neurotypical means having a brain that develops and works like most people’s brains. Learn the context around the term.| Cleveland Clinic
Pica is a mental health condition where people compulsively swallow non-food items. Swallowing hazardous items makes this condition dangerous, but it’s treatable.| Cleveland Clinic
Pregnancy tests work by checking your pee or blood for human chorionic gonadotropin (HCG), a hormone your body makes if you’re pregnant. At-home tests are most common.| Cleveland Clinic
HCG is a hormone made by the placenta during pregnancy. Learn its purpose and what your levels mean.| Cleveland Clinic
Plastic surgeons improve appearance for cosmetic purposes or restore appearance and function in people who experience severe injury, illness or congenital defects.| Cleveland Clinic
You can apply topical anesthetics to your skin to temporarily numb the area. Learn more.| Cleveland Clinic
Clear braces work the same as traditional metal braces, but they’re less noticeable. They consist of clear ceramic brackets and tooth-colored wire.| Cleveland Clinic
Learn the signs of alcohol withdrawal and when to seek medical help.| Cleveland Clinic
Crohn’s disease causes inflammation in your bowels that leads to unpleasant symptoms. Here’s what you need to know about causes and how to manage it.| Cleveland Clinic
Should you be taking probiotics? Find out how these live microbes could help improve your digestive health, your vaginal health and your skin health.| Cleveland Clinic
Perimenopause is transition to menopause. Learn more about it, when it starts and what you can expect.| Cleveland Clinic
Need a guide to puberty? Read this article to inform yourself and your child.| Cleveland Clinic
Luteinizing hormone (LH) helps regulate important functions of your reproductive system. Learn what it does in your body.| Cleveland Clinic
Cervical mucus can tell you a lot about your fertility and menstrual cycle. Learn more about what it looks like and what it means.| Cleveland Clinic
Follicle-stimulating hormone (FSH) is a hormone that plays a role in sexual development and reproduction by affecting the function of the ovaries and testes.| Cleveland Clinic
E. coli naturally lives in your gut without harming you. So when and why does it make you sick? Learn more about E. coli infections.| Cleveland Clinic
Dental X-rays can help your dentist detect oral health issues — like cavities and gum disease — early on.| Cleveland Clinic
SIBO is an imbalance of the microorganisms in your gut that maintain healthy digestion. Learn about the symptoms, causes and treatment.| Cleveland Clinic
If it feels like something’s clouding your brain and preventing you from thinking clearly, it could be brain fog. Learn more about brain fog and ways to treat it.| Cleveland Clinic
Multiple sclerosis (MS) is an autoimmune condition. Learn about how MS affects your brain and spinal cord.| Cleveland Clinic
Groin strains are common sports injuries. Here’s everything you need to know about treatment and recovery time.| Cleveland Clinic
Dopamine deficiency means you have a low level of the neurotransmitter dopamine. Low dopamine levels are linked with certain health conditions, such as Parkinson’s disease or depression.| Cleveland Clinic
Cataract surgery is a common outpatient procedure that removes a cloudy lens from your eye, helping you see better. Learn when you might need it.| Cleveland Clinic
Distributive shock is the most common kind of shock. Top causes include sepsis and severe allergic reactions. Quick treatment is crucial for this medical emergency.| Cleveland Clinic
Enhanced external counterpulsation (EECP) treatment is an FDA-approved outpatient therapy that can improve blood flow to your heart.| Cleveland Clinic
Sarcopenia is the gradual loss of muscle mass, strength and function. The condition commonly affects the elderly population and is thought to occur due to aging.| Cleveland Clinic
An addiction counselor provides expert care and support to people who have substance use disorders.| Cleveland Clinic
Premature aging happens when your body ages faster than it should. Signs include skin changes like wrinkles, sagging skin, hair loss or sunken cheeks.| Cleveland Clinic
Varicose veins are swollen veins near your skin’s surface. Weak vein walls make blood back up inside them. Learn more.| Cleveland Clinic
Basal cell carcinoma is the most common skin cancer. It's caused by the overproduction of basal cells in the skin. It often appears as a shiny or translucent bump.| Cleveland Clinic
Liver spots are patches of darkened skin. They develop because of overexposure to ultraviolet (UV) light. Another name for liver spots is age spots.| Cleveland Clinic
Squamous cell carcinoma is the second most common form of skin cancer. People with long-term UV exposure are at risk. Scaly, discolored bumps can be a sign.| Cleveland Clinic
Melanoma is the most deadly type of skin cancer. It's very treatable if caught early and your risk can be lowered by protecting your skin from the sun.| Cleveland Clinic
Actinic keratosis (AK) causes rough, scaly skin patches. Without treatment, AK can lead to a skin cancer called squamous cell carcinoma.| Cleveland Clinic
Freckles are small brown spots on your skin caused by sun exposure. Most freckles are harmless. They develop mostly in people who have light skin who have blond or red hair.| Cleveland Clinic
Discover how Cleveland Clinic's experts guide you during the decision-making process. We can discuss your specific needs and arrange visits for you.| Cleveland Clinic
T cells are a type of white blood cell called lymphocytes that keep your immune system strong. Learn more about how T cells protect you from germs.| Cleveland Clinic
The vagal nerves aid body functions during rest and digestion. Vagus nerve damage can lead to gastroparesis, an inability to digest food.| Cleveland Clinic
Swimming can put a lot of stress on your shoulders. Here’s everything you need to know about swimmer’s shoulder symptoms and treatment.| Cleveland Clinic
Blood alcohol content (BAC), also known as a blood alcohol level, is the amount of alcohol in your blood. Levels can range from 0% to over 0.4%.| Cleveland Clinic
Paranoid personality disorder (PPD) is a mental health condition marked by a pattern of distrust and suspicion of others without adequate reason to be suspicious.| Cleveland Clinic
A person with dependent personality disorder feels an overwhelming need for others to take care of them. You can learn more here.| Cleveland Clinic
Borderline personality disorder (BPD) is a mental health condition marked by extreme mood fluctuations, instability in interpersonal relationships and impulsivity.| Cleveland Clinic
Avoidant personality disorder is marked by poor self-esteem and an intense fear of rejection. You can learn more here.| Cleveland Clinic
Histrionic personality disorder (HPD) is a mental health condition marked by unstable emotions, a distorted self-image and an overwhelming desire to be noticed.| Cleveland Clinic
Narcissistic personality disorder is more than self-centered behavior. Learn how to recognize this mental health condition.| Cleveland Clinic
You might think of antisocial personality disorder as a way to keep to yourself, but it’s a serious mental health condition. Learn more about ASPD.| Cleveland Clinic
Obsessive-compulsive personality disorder (OCPD) is a condition marked by an extensive preoccupation with perfectionism, organization and control.| Cleveland Clinic
Schizoid personality disorder (ScPD) is a mental health condition marked by a consistent pattern of detachment from and general disinterest in social relationships.| Cleveland Clinic
A herniated or slipped disk in your spine is a common cause of neck, back or leg pain. Learn about symptoms and treatment options.| Cleveland Clinic
Implantation bleeding is light bleeding or spotting that occurs when a fertilized egg implants into your uterine lining. Learn the signs.| Cleveland Clinic
Knee arthroscopy is a type of surgery. It uses a small incision. Healthcare providers insert a camera and tiny tools in the knee to diagnose and treat injuries.| Cleveland Clinic
Dehydration is a condition in which you lose so much body fluid that your body can’t function normally. Learn about the signs of dehydration.| Cleveland Clinic
Acrophobia is an anxiety disorder that involves intense fear of heights. It is often treatable with exposure therapy or virtual reality exposure therapy.| Cleveland Clinic
It’s a major decision to undergo brain surgery to treat seizures. Learn more about the types, risks and benefits.| Cleveland Clinic
Radiation therapy is one of the most important tools we use to treat cancer. Radiation therapy kills cancer cells, shrinks tumors and relieves symptoms.| Cleveland Clinic
Learn how taking control of certain involuntary bodily functions can help improve your health.| Cleveland Clinic
A brain tumor is an abnormal growth of cells in or around your brain. About two-thirds of brain tumors are benign and the rest are cancerous. They’re treatable.| Cleveland Clinic
A neurosurgeon is a medical doctor that diagnoses and treats conditions that affect your nervous system. They provide both surgical and nonsurgical treatments.| Cleveland Clinic
Your therapist will guide you through four stages of relaxation and focus. Click here to learn everything you need to know about how hypnosis works.| Cleveland Clinic
Cavities are tiny holes that form in your tooth enamel. Left untreated, cavities can grow larger and wreak havoc on your oral health.| Cleveland Clinic
Do the changing seasons make you feel sad and more tired than usual? Learn the symptoms of seasonal depression and what you can do about it.| Cleveland Clinic
A myoclonic seizure is a brief seizure that causes a quick, uncontrollable muscle jerk. They’re usually minor and are more common with childhood seizure conditions.| Cleveland Clinic
You have more than 600 muscles that help you do everything from move your body to breathe and stay alive. Learn how to keep your muscles healthy.| Cleveland Clinic
This seizure type causes shaking and a loss of consciousness. A healthcare provider can help you manage them. Learn more here.| Cleveland Clinic
An EKG is a test that measures and records your heart’s electrical activity. It’s a tool for diagnosing heart issues.| Cleveland Clinic
Superficial thrombophlebitis is a blood clot that causes pain and inflammation just under your skin. It usually gets better in a few weeks.| Cleveland Clinic
This life-threatening condition involves your lungs. Learn more about pulmonary embolism.| Cleveland Clinic
Your pelvic floor muscles help stabilize your core while assisting with essential bodily functions, like pooping, peeing and having sex.| Cleveland Clinic
Your uterus is a pear-shaped organ. It plays a critical role in menstruation, fertility and pregnancy.| Cleveland Clinic
Estrogen is important to your sexual and reproductive health. Estrogen levels naturally fluctuate during your menstrual cycle and decline during menopause.| Cleveland Clinic
Your central nervous system (CNS) regulates almost everything you do. Learn more about how your brain and spinal cord work in your CNS.| Cleveland Clinic
Conditions that make it hard to breathe due to irreversible airway damage, including emphysema and chronic bronchitis, are called COPD. Learn more.| Cleveland Clinic
