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Vaccines prevent between 2.5 and 4 million deaths every year.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.