Also called: SMA
Spinal muscular atrophy (SMA) is a genetic disease that attacks nerve cells, called motor neurons, in your spinal cord. These neurons communicate with your voluntary muscles – the ones you can control, like in your arms and legs. As you lose the neurons, your muscles weaken. This can affect walking, crawling, breathing, swallowing and head and neck control.
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Also called: Glioma, Meningioma
There are two main types of brain cancer. Primary brain cancer starts in the brain. Metastatic brain cancer starts somewhere else in the body and moves to the brain. Brain tumors can be benign, with no cancer cells, or malignant, with cancer cells that grow quickly.
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Your kidneys form urine by filtering wastes and extra water from the bloodstream. The waste is called urea. It is carried in the bloodstream to the kidneys. From the kidneys, urine travels down two thin tubes called ureters to the bladder. The bladder stores urine until you are ready to go to the bathroom. It swells into a round shape when it is full and gets smaller when empty. If your urinary system is healthy, your bladder can hold up to 16 ounces (2 cups) of urine comfortably for 2 to 5 hours.
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Also called: Circumscribed scleroderma, Dermatosclerosis, Morphea, Systemic sclerosis
Scleroderma means hard skin. It is a group of diseases that causes abnormal growth of connective tissue, the proteins that support your skin and organs. There are two main types. Localized scleroderma affects only your skin. Systemic scleroderma affects your blood vessels and internal organs, as well as your skin.
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Also called: Selective serotonin reuptake inhibitors, Tricyclic antidepressants
Antidepressants are medicines that treat depression. Your doctor can prescribe them for you. They can improve your mood, sleep, appetite and concentration. It may take several weeks for them to help. There are several types of antidepressants. You and your doctor may have to try several before finding what works best for you.
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Cloning describes the processes used to create an exact genetic replica of another cell, tissue or organism. The copied material, which has the same genetic makeup as the original, is referred to as a clone. The most famous clone was a Scottish sheep named Dolly.
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Also called: MI, Myocardial infarction
Each year over a million people in the U.S. have a heart attack. About half of them die. Many people have permanent heart damage or die because they don’t get help immediately. It’s important to know the symptoms of a heart attack and call 9-1-1 if someone is having them. Those symptoms include
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Sjogren’s syndrome is a disease that causes dryness in your mouth and eyes. It can also lead to dryness in other places that need moisture, such as your nose, throat and skin. Most people who get Sjogren’s syndrome are older than 40. Nine of 10 are women. Sjogren’s syndrome is sometimes linked to rheumatic problems such as rheumatoid arthritis.
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Also called: Brain attack
A stroke is a medical emergency. Strokes happen when blood flow to your brain stops. Within minutes, brain cells begin to die. There are two kinds of stroke. The more common kind, called ischemic stroke, is caused by a blood clot that blocks or plugs a blood vessel in the brain. The other kind, called hemorrhagic stroke, is caused by a blood vessel that breaks and bleeds into the brain. “Mini-strokes” or transient ischemic attacks (TIAs), occur when the blood supply to the brain is briefly interrupted.
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Dystonia is a movement disorder which causes involuntary contractions of your muscles. These contractions result in twisting and repetitive movements. Sometimes they are painful.
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