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Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Illicit drug use costs the United States approximately $181 billion every year.

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People about to have surgery must tell their health care providers about all supplements they take.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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DNA detail structure DNA detail structure
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The crystal structure of an IgG molecule from mouse The crystal structure of an IgG molecule from mouse
A model for the RuvA-RuvB-Holliday junction structure A model for the RuvA-RuvB-Holliday junction structure
Video: Contraction cycle of a sarcomere

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