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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
On average, the stomach produces 2 L of hydrochloric acid per day.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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