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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.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Types of transporters based on the direction of transport. Types of transporters based on the direction of transport.
Atherosclerosis. (a) A sectioned coronary artery that exhibits an accumulation of fatty plaque, whic Atherosclerosis. (a) A sectioned coronary artery that exhibits an accumulation of fatty plaque, whic
Types of Health Insurance Service Coverage Types of Health Insurance Service Coverage
Common Types of Allergies Common Types of Allergies
(A–B) Two types of canes. (A–B) Two types of canes.
Types of Movement at Synovial Joints Types of Movement at Synovial Joints
Video: Introduction to Sleep Apnea

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