The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Einstein's letter
Frequency coding in the nervous system: Threshold stimulus.
Descartes’ Explanation of a Reflex Action to a Painful Stimulus
An example of a follow-up thank-you letter sent after an interview.