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Author Question: Viruses often morph to evade detection. Indicate whether the statement is true or ... (Read 23 times) |
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.