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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Molecule of Glucose Molecule of Glucose
The sodium–glucose cotransport channel The sodium–glucose cotransport channel
Reaction 2: Isomerization of Glucose-6-phosphate Reaction 2: Isomerization of Glucose-6-phosphate
Outline of pathways for glucose synthesis from the major gluconeogenic precursors Outline of pathways for glucose synthesis from the major gluconeogenic precursors
Monosaccharide, e.g., glucose Monosaccharide, e.g., glucose
Video: T cell receptors

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