[Purpose] The purpose of this study was to investigate the association between handgrip
strength and mild cognitive impairment in elderly adults. [Subjects] Study participants
included 2,982 adults (1,366 males and 1,616 females), aged 65 years or older. [Methods]
This population-based cross-sectional study used the baseline database from the Korean
Longitudinal Study of Ageing. [Results] The odds ratio for mild cognitive impairment
showed a significant linear decrease in relation to the quartile of handgrip strength,
independent of potential covariates, in both men and women. Moreover, after excluding
incident cases of mild cognitive impairment, the results showed that greater handgrip
strength was associated with higher cognitive function scores in the elderly. [Conclusion]
The findings presented here suggest that handgrip strength is associated with a risk of
mild cognitive impairment in the Korean elderly. Moreover, greater handgrip strength is
associated with higher cognitive function in cognitively normal elderly individuals.
Prolonged sedentary time and sleep deprivation are associated with mental health problems such as depression and stress symptoms. Moreover, mental illness is linked with suicidal thoughts and suicide attempts. However, it is not clear whether sedentary time and sleep duration are associated with stress symptoms and suicidal thoughts independent of physical activity. Thus, our study aimed to identify if sedentary time and sleep duration were associated with both stress symptoms and suicidal thoughts. The participants in present cross-sectional study were 4,674 general Korean adults (1,938 male; 2,736 female), aged ≥ 20 years. Prolonged sedentary time (≥ 420 min/day) was significantly associated with the increased risk of stress symptoms (OR, 1.30; 95% CI, 1.04-1.62) compared with sedentary time of < 240 min/day. The OR for stress symptoms was significant for individuals who had ≤ 5 h/day of sleep time (OR, 1.88; 95% CI, 1.48-2.38) compared with sleep duration of ≥ 7 h/day. Moreover, prolonged sedentary time (OR, 1.55; 95% CI, 1.01-2.42 in ≥ 420 min/day vs. < 240 min/day) and short sleep duration (OR, 1.75; 95% CI, 1.17-2.62 in ≤ 5 h/day vs. ≥ 7 h/day) were significantly associated with an increased risk for suicidal thoughts after adjusting for confounding factors including physical activity. Thus, prolonged sedentary time and sleep deprivation are independently associated with both the risk of stress symptoms and suicidal thoughts. From a public health perspective, reducing sedentary time and improvement of sleep deprivation may serve as an effective strategy for preventing mental illness.
Treatment with topical cyclosporine A 0.05% can improve ocular discomfort and increase tear film BUT during the early postoperative period, especially in patients with preoperative dry eye.
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