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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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By definition, when a medication is administered intravenously, its bioavailability is 100%.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Anatomy of the Lungs Anatomy of the Lungs
Delivery of medication to the lungs using a metereddose inhaler extender. Delivery of medication to the lungs using a metereddose inhaler extender.
Venous return to the heart and blood flow to the lungs. Venous return to the heart and blood flow to the lungs.
Access to clean drinking water is just as important as adequate nutrition for human health Access to clean drinking water is just as important as adequate nutrition for human health
Human Lungs (Respiratory System) Human Lungs (Respiratory System)
Video: Enzyme structure - Properties of enzymes

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