Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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Excessive alcohol use costs the country approximately $235 billion every year.
Structure of a chloroplast
Prokaryotic cell structure
General structure of a virus.
The two major forms of polynucleotide secondary structure