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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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