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Health Topics: L
- Labor see Childbirth
- Laboratory Tests
- Lacerations see Wounds
- Lactose Intolerance
- Language Problems see Speech and Communication Disorders; Speech and Language Problems in Children
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- Laryngeal Cancer see Throat Cancer
- Laryngitis see Throat Disorders; Voice Disorders
- Laryngopharyngeal Cancer see Throat Cancer
- Laser Eye Surgery
- LASIK see Laser Eye Surgery
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- Latex Allergy
- Latino Health see Hispanic-American Health
- LDL see Cholesterol
- Lead Poisoning
- Learning Disorders
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- Leg Cramps see Leg Injuries and Disorders; Muscle Cramps
- Leg Injuries and Disorders
- Legg-Calve-Perthes Disease see Osteonecrosis
- Legionnaires' Disease
- Leishmaniasis
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- Leprosy see Mycobacterial Infections
- Lesbian Health see Gay, Lesbian, Bisexual and Transgender Health
- Leukemia
- Leukemia, Acute Lymphoblastic see Acute Lymphocytic Leukemia
- Leukemia, Acute Lymphocytic see Acute Lymphocytic Leukemia
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- Leukemia, Childhood see Childhood Leukemia
- Leukemia, Chronic Lymphocytic see Chronic Lymphocytic Leukemia
- Leukemia, Myeloblastic, Acute see Acute Myeloid Leukemia
- Leukemia, Myelogenous, Acute see Acute Myeloid Leukemia
- Leukemia, Myeloid, Acute see Acute Myeloid Leukemia
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- Leukemia, Myeloid, Chronic see Chronic Myeloid Leukemia
- Leukodystrophies
- Lewy Body Disease
- Lice see Head Lice; Parasitic Diseases
- Life Support see Critical Care
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- Ligament Injuries see Sprains and Strains
- Limb Loss
- Listeria Infections
- Liver Cancer
- Liver Cirrhosis see Cirrhosis
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- Liver Diseases
- Liver Spots see Skin Aging
- Liver Transplantation
- Living Wills see Advance Directives
- Living with Cancer see Cancer--Living with Cancer
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- Living with HIV/AIDS
- Lockjaw see Tetanus
- Long-Term Care see Assisted Living; Nursing Homes
- Lou Gehrig's Disease see Amyotrophic Lateral Sclerosis
- Low Back Pain see Back Pain
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- Low Blood Pressure
- Low Blood Sugar see Hypoglycemia
- Low Sperm Count see Male Infertility
- Low Vision see Vision Impairment and Blindness
- LTK see Laser Eye Surgery
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- Lumbago see Back Pain
- Lumpectomy see Mastectomy
- Lung Cancer
- Lung Diseases
- Lung Rehabilitation see Pulmonary Rehabilitation
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- Lung Transplantation
- Lupus
- Lyme Disease
- Lymph Nodes see Lymphatic Diseases
- Lymphatic Diseases
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- Lymphatic Obstruction see Lymphedema
- Lymphedema
- Lymphoma