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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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.