Dietary vitamin C intake and lung function in rural China

Article Abstract:

Lung function as it relates to dietary intake of vitamin C has been studied in rural China in 1989. The subjects, which numbered 3,085 and were 35-64 years of age, were given 100 mg/day of vitamin C to increase intake. The increase was associated with a forced expiratory volume (FEV) increase of 21.6 ml in the first second. There was also a related increase of 24.9 ml in forced vital capacity. It seems vitamin C may protect against loss of pulmonary function. Only 15% of smokers develop chronic obstructive pulmonary disease; other factors may be involved. In the study no significant interaction with smoking status emerged.

Causes of, Lung diseases, Obstructive, Lungs, Chronic obstructive lung disease, Lung, Nutritional aspects, Vitamin C in human nutrition

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Cohort study of vitamin C intake and cognitive impairment

Article Abstract:

Vitamin C supplementation may guard against severe forms of cognitive impairment. Researchers compared cognitive functioning relative to vitamin C intake in 117 residents of an Australian retirement community. Vitamin C status was measured four years earlier than cognitive funtioning. Compared to people with a low or high dietary intake vitamin C, taking vitamin C supplements was associated with lower rates of cognitive impairment. Verbal fluency and category fluency were not affected.

Psychological aspects, Aged, Elderly, Research, Testing, Cognition, Smart drugs and nutrients, Nootropic agents, Cognitive tests

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Tobacco -- the growing epidemic

Article Abstract:

The authors discuss the use of tobacco, specifically in China, where 30% of the world's cigarettes are smoked and one million deaths each year are tobacco-related. They foresee this pattern emerging in other countries, and point out that tobacco is the only major cause of death other than HIV/AIDS which is increasing worldwide.

China, Usage, Patient outcomes, Mortality, Smoking, Tobacco

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