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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The
A hiatal hernia or diaphragmatocele. A portion of the stomach protrudes through the diaphragm into t A hiatal hernia or diaphragmatocele. A portion of the stomach protrudes through the diaphragm into t
Sagittal section of the nasal cavity and pharynx. Sagittal section of the nasal cavity and pharynx.
In this design, the fuel injector is at the top of the cylinder and sprays fuel into the cavity of ... In this design, the fuel injector is at the top of the cylinder and sprays fuel into the cavity of ...
Prophylactic Antibiotic Regimens for Oral and Dental Procedures Prophylactic Antibiotic Regimens for Oral and Dental Procedures
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Video: Types of Shock (Part 2 of 2)

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