Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
Magnetic resonance imaging (MRI) uses a magnetic field and radio waves to create cross-sectional images of your head and body. Your doctor uses these detailed, clear images to identify and diagnose many conditions. It is particularly ...
Depression is a serious mood disorder. It touches every part of your life and is caused by a chemical imbalance in your brain. Treatment involves medicine and counseling.
Major depression goes beyond the day's normal ups and downs. It involves a teen's body, mood, and thoughts. It can affect and disrupt eating, sleeping, or thinking patterns.
Malaria is caused by a parasite. It is passed to humans by the bite of an infected Anopheles mosquito.
Male infertility means that a man has a problem with his reproductive system. It means he can't start a pregnancy with a female partner. Read on to learn about causes, diagnosis, and treatment.
The mesothelium is a tissue that covers and protects the outer surface of some organs. Malignant mesothelioma is a rare kind of cancer that starts in the mesothelium. Learn more about symptoms, diagnosis, and treatments.
Your esophagus is the tube that carries food from your throat to your stomach. It plays a vital role in digestion. Sometimes, violent coughing or vomiting can tear the tissue of your lower esophagus and it can start to bleed. The ...
Malocclusion is when a child’s teeth become crooked or crowded. The child may also have a problem with their bite. That means the teeth of the upper jaw don’t meet normally with the teeth of the lower jaw when the jaw is closed.
A mammogram is an X-ray of the breasts used either to screen for or diagnose breast cancer. A screening mammogram is done for women who have no symptoms but are at risk for breast cancer. This video tells you what to expect when you have...
Making sure your blood sugar is under control is key to managing your type 1 diabetes. It will also help you stay healthy. This video explains how to test your blood sugar and give yourself insulin. It also tells you what problems to ...
Making sure your blood sugar is under control is key to managing your type 2 diabetes. It will also help you stay healthy. This video explains how to test your blood sugar and manage your medicines. It also tells you what problems to ...
Marfan syndrome is a genetic disorder that affects the body's connective tissue. Connective tissue holds the body's cells, organs, and other tissue together. Connective tissue is also important in growth and development.
Detailed information on breastfeeding and mastitis
Mastoiditis is a complication of a middle ear infeciton. Read on to learn more about symptoms, diagnosis, and treatment.
McArdle disease is a rare muscle disorder. In McArdle disease, the muscle cells can’t effectively store energy in the
When you have diabetes, meal planning will help keep your blood sugar in your target range. Meal planning means picking the best foods for you. It also means paying attention to how you cook, what you drink, and when you eat.
Measles (rubeola) is a respiratory illness caused by a virus. It causes a red, blotchy rash. It’s a very contagious illness.
Meckel diverticulum is a small pouch in the wall of the intestine. It’s near where the small and large intestines meet. This condition is the most common birth defect of the digestive system. It happens to about 1 in 50 babies.
Meconium aspiration happens when a newborn breathes in a mixture of meconium and amniotic fluid. Amniotic fluid is the liquid that surrounds the baby in the womb. Meconium is the baby's first stool, or poop, which is sticky, thick, and ...
The menisci are crescent-shaped bands of thick, rubbery cartilage attached to the shinbone. They act as shock absorbers and stabilize the knee. Meniscus tears can vary widely in size and severity. Some, but not all, require surgical repair.
The medial collateral ligament's main function is to prevent the leg from extending too far inward, but it also helps keep the knee stable and allows it to rotate. Injuries to the medial collateral ligament most often happen when the ...
Other activities that can cause this condition include carrying a heavy suitcase, chopping wood, and using a chainsaw.
Medicine rashes are the body’s reaction to a certain medicine. The type of rash that occurs depends on the type of medicine that is causing it. Rashes can range from mild to severe.
Medulloblastoma is a type of brain cancer. It most often affects children, but it can also happen in adults. These tumors often grow in the cerebellum, the part of the brain that controls balance and coordination.
Anemia is a problem in which there are not enough red blood cells or hemoglobin. Hemoglobin is the part of red blood cells that carries oxygen throughout the body. In megaloblastic anemia, the bone marrow, where the cells are formed, ...
Megaureter is a ureter that is much wider than normal. A megaureter may not drain urine normally. This can lead to infections and kidney damage.
Skin cancer is the most common cancer in the US. Melanoma is the least common, but the most deadly of the three skin cancer types. In this video, you'll learn who's at risk for melanoma, what to look for to help detect this cancer, and ...
Melanoma is a type of skin cancer. Here are answers to some frequently asked questions about melanoma.
Ménière disease is a balance disorder. It causes a severe spinning sensation (vertigo), hearing issues, loss of balance, and headaches.
A meningioma is a tumor that grows in the meninges, the layers of tissues that cover the brain and spinal cord.