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Did you know?

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

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Video: Plant Defense Mechanisms from Pathogens

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