Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.

Showing 31 - 60 of 66 results.
Meningitis in Children

Meningitis is most often caused by a bacterial or viral infection that moves into the cerebral spinal fluid (CSF).

Meningococcal Infections in Children

Meningococcal infections are not common, but they can be fatal. They occur most often in late winter and early spring. Children are more often affected, but the illnesses also occur in teens and adults.

Menorrhagia

Menorrhagia is heavy or prolonged bleeding during your period. It can be caused by hormone problems or problems with the uterus. Medications or procedures to treat the uterus can help.

Menstrual Cramps (Dysmenorrhea) in Teens

Menstrual cramps (dysmenorrhea) are severe, painful cramps that occur with menstruation.

Menstrual Pain

Menstrual pain is common in women of all ages. It's the feeling of cramps you get in your lower belly with your monthly period. Menstrual pain usually isn't a serious condition. In this video, you'll learn how this condition develops and...

Merkel Cell Cancer

Detailed information on merkel cell cancer, including diagnosis and treatment

Mesenteric Ischemia

Mesenteric ischemia is decreased or blocked blood flow to your intestine.

Metabolic Syndrome

Metabolic syndrome is a condition that includes the presence of a cluster of risk factors specific for cardiovascular disease. Metabolic syndrome greatly raises the risk of developing diabetes, heart disease, stroke, or all three.

Metatarsus Adductus in Children

Metatarsus adductus is a common foot deformity noted at birth. It causes the front half of the child's foot (forefoot) to turn inward.

Metered-Dose Inhaler

A metered-dose inhaler is a device that is used to treat lung conditions like asthma or COPD. It measures and sends the right amount of medicine to your lungs. Watch and learn how to use one correctly.

Microcephaly in Children

Microcephaly is a condition where a baby's head is much smaller than normal. It is most often present at birth (congenital). Most children with microcephaly also have a small brain and an intellectual disability. Some children with small...

Micropenis in Children

A micropenis is a penis that is smaller than normal. A penis length of less than 0.75 inches is considered micropenis.

Microscopic Polyangiitis (MPA)

Microscopic polyangiitis (MPA) is a condition that causes small blood vessels to be inflamed. It's a rare type of vasculitis. The disease can damage the blood vessels and cause problems in organs around the body. MPA most often affects ...

Middle Ear Infection (Otitis Media) in Adults

A middle ear infection occurs behind the eardrum. It is most often caused by a virus or bacteria. Most kids have at least one middle ear infection by the time they are 3 years old. But adults can also get them.

Migraine Headache

Migraine headaches are intense, recurrent headaches that may occur at any age but usually begin between the ages of 10 and 30 years. The precise cause is unknown, but it is hereditary in up to 80 percent of cases. This video gives ...

Migraine Headaches

This often severe, throbbing type of headache is different from other types of headaches in that symptoms other than pain occur with the headache. Nausea and vomiting, lightheadedness, sensitivity to light (photophobia), and other visual...

Minimally Invasive Spine Surgery

Many spine conditions once requiring major surgery may now be relieved with minimally invasive techniques at the Cedars-Sinai Spine Center.

Miscarriage

Miscarriage is a pregnancy loss in the first 20 weeks of pregnancy. About 1 in 10 women will miscarry in the first trimester (first 13 weeks of pregnancy). There are different types of miscarriage.

Mitral Valve Prolapse

The mitral valve sits between the left atrium and left ventricle. It's job is to keep blood flowing in the right direction. Mitral valve prolapse is the bulging of the valve causing blood to leak backwards.

Mitral Valve Regurgitation

Mitral valve regurgitation is when the mitral valve in the heart is leaky. It's also known as mitral insufficiency. The mitral valve is one of the heart's four valves. These valves help the blood flow through the heart's four chambers ...

Molluscum Contagiosum

Detailed information on molluscum contagiosum, including causes, symptoms, diagnosis, and treatment

Molluscum Contagiosum in Children

Molluscum contagiosum is a viral skin disease that causes small pink or skin-colored bumps on your child’s skin. It is not harmful and usually does not have any other symptoms. The virus is inside the bumps and is mildly contagious. ...

Monoclonal Gammopathies

Monoclonal gammopathies are conditions in which abnormal proteins are found in the blood.

Mononucleosis

Mononucleosis is an acute infectious disease that affects the respiratory system, the liver, and the lymphatic system. It is caused by the Epstein-Barr virus. This video looks at who is at risk for this infection and typical symptoms to ...

Mood Disorders in Teens

Anyone can feel sad or depressed at times. But mood disorders are more intense. They are harder to handle than normal feelings of sadness. Read on to learn more about these types of disorders in teens.

MRSA Infection in Children

MRSA is an infection that can be life-threatening if it spreads from the skin to the lungs, the bloodstream, or other organs. MRSA infection can be hard to treat.

Multiple Myeloma Overview

Multiple myeloma is cancer that starts in plasma cells in your bone marrow. Learn more about symptoms, diagnosis, and treatments.

Multiple Sclerosis (MS)

Multiple sclerosis is a disease in which the fatty tissue that surrounds the nerves is destroyed. When this happens, the nerves are unable to conduct electrical impulses to and from the brain. It causes muscle weakness, impaired ...

Multiple Sclerosis

Multiple sclerosis (MS) is a slowly progressive disease of the central nervous system. MS damages the protective covering of nerve fibers, which leads to multiple physical problems. In this video, you'll learn about possible causes, the ...

Multiple Sclerosis and Pregnancy

Multiple sclerosis is a central nervous system disorder. Pregnancy does not appear to speed up MS or worsen its effects.

Showing 31 - 60 of 66 results.
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