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Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
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.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.