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MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

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B Vitamins - National Library of Medicine

... You can get B vitamins from proteins such as fish, poultry, meat, eggs, and dairy products. Leafy ... enough of certain B vitamins can cause diseases. A lack of B12 or B6 can cause anemia.

Bad Breath - National Library of Medicine

... bad odor. Other problems in your mouth, such as gum disease, dry mouth, or cavities, may also ... bad smell. Some diseases and medicines can cause a specific breath odor. Having good dental habits, like ...

Barotrauma - National Library of Medicine

... pressure. One common type happens to your ear. A change in altitude may cause your ears to ... body. Common symptoms of ear barotrauma include: Pain A feeling that your ears are stuffed Hearing loss ...

Benign Tumors - National Library of Medicine

... dangerous if they press on vital organs, such as your brain. Tumors are made up of extra ... cells grow and divide to form new cells as your body needs them. When cells grow old, ...

Blood Disorders - National Library of Medicine

... include other diseases, side effects of medicines, and a lack of certain nutrients in your diet. Types ... of your body Cancers of the blood, such as leukemia and myeloma Eosinophilic disorders, which are problems ...

Bone Grafts - National Library of Medicine

A bone graft transplants bone tissue. Surgeons use bone grafts to repair and rebuild diseased bones in ... your body accepts the bone graft, it provides a framework for growth of new, living bone. If ...

Bone Infections - National Library of Medicine

... area Chills and fever Swelling, warmth, and redness A blood test or imaging test such as an x-ray can tell if you have a bone infection. Treatment includes antibiotics and often surgery.

Bronchial Disorders - National Library of Medicine

... be acute or chronic. Other problems include: Bronchiectasis - a condition in which damage to the airways causes ... and become flabby and scarred Exercise-induced bronchospasm - a breathing problem that happens when your airways shrink ...

Choking - National Library of Medicine

Food or small objects can cause choking if they get caught in your throat and block your airway. This keeps oxygen from getting to your lungs and brain. If ...

Cholera - National Library of Medicine

Cholera is a bacterial infection that causes diarrhea. The cholera bacterium is usually found in water or food that has been ... medical care right away. Doctors diagnose cholera with a stool sample or rectal swab. Treatment is the ...

Coping with Disasters - National Library of Medicine

... might feel dazed or numb after going through a disaster. You may also feel sad, helpless, or ... alone. Some people have long-term problems after a disaster, including: Post-traumatic stress disorder Depression Self- ...

Craniofacial Abnormalities - National Library of Medicine

Craniofacial is a medical term that relates to the bones of the skull and face. Craniofacial abnormalities are birth defects of ... are very rare. Most of them affect how a person's face or head looks. These conditions may ...

Drug Safety - National Library of Medicine

... Drug Administration (FDA). This is true whether it's a prescription or an over-the-counter drug. The FDA evaluates both the effectiveness and safety of a drug by looking at: How animal testing and ...



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