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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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