ウォーキングを含む身体活動と高齢女性における認知機能
Jennifer Weuve1, Jae Hee Kang, JoAnn E Manson
1Department of Epidemiology, Harvard School of Public Health, Boston, Mass 02215, USA. jweuve@hsph.harvard.edu
JAMA
|September 24, 2004
まとめ
ウォーキングを含む定期的な身体活動は,認知機能を著しく高め,高齢女性の認知機能低下を軽減します. アクティブなライフスタイルを維持することは,脳の健康をサポートし,障害を予防することができます.
科学分野:
- ゲロントロジーはゲロントロジーの学科です.
- 神経科学は神経科学である.
- 公衆衛生は公衆衛生である.
背景:
- 身体活動は,高齢者の認知機能を保全する潜在力があることで認められています.
- ウォーキングなどの定期的な運動が認知健康に与える特定の影響を理解することは,効果的な介入策の開発に不可欠です.
研究 の 目的:
- ウォーキングを含む長期にわたる定期的な身体活動と高齢女性における認知機能の関連性を調査する.
- より高いレベルの身体活動が,よりよいベースラインの認知機能と,より遅い認知低下と相関するかどうかを判断する.
主な方法:
- この研究では,看護師の健康研究に参加した米国女性18,766人 (70~81歳) のデータを分析した.
- 身体活動は1986年から2年ごとに実施されるアンケートで評価され,基礎認知評価 (1995-2001) のエネルギー消費の平均値が求められました.
- 認知機能の評価は,一般的認知,記憶,流暢さ,注意の電話による検証による評価を用いて,約2年間にわたって2回投与された.
主要な成果:
- より高いレベルの身体活動は,認知能力の向上と認知障害のリスクの低下と有意に関連していました.
- 最も高い身体活動クインチルの女性は,最も低いクインチルと比較して,認知障害のリスクが20%低いことを示しました.
- 定期的な歩行 (≥1.5時間/週) は,より高い全般的な認知スコアと関連しており,より活発な女性は2年間で認知機能の低下が少なくなりました.
結論:
- ウォーキングを含む定期的な身体活動への長期的な関与は,高齢女性の認知機能の保存と強く関連しています.
- これらの発見は,脳の健康を維持し,高齢者の認知機能低下を防ぐための変更可能な要因として,身体活動の重要性を強調しています.
関連する概念動画
The Effect of Aging on Tissues
3.6K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.6K
Exercise and Cardiac Output
3.8K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
3.8K
Drug Dosing: Geriatric Patients
392
Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
392
Pharmacodynamics in Geriatric Patients: Effects of Age
366
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
366
Cognitive Development During Adulthood
1.4K
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
1.4K
Aging
1.1K
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
1.1K


