緊張が抜けないとき

L-Theanine reduces psychological and physiological stress responses.

• 参加者 12人
• 実験設定下での成人 12名

原文よりL-Theanine intake resulted in a reduction in the heart rate (HR) and salivary immunoglobulin A (s-IgA) responses to an acute stress task relative to the placebo control condition.

Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.

• 参加者 30人
• 精神疾患のない健康な成人 30名
• 200 mg/日 4週間

原文よりFor stress-related symptoms, Self-rating Depression Scale, State-Trait Anxiety Inventory-trait, and Pittsburgh Sleep Quality Index (PSQI) scores decreased after L-theanine administration (p = 0.019, 0.006, and 0.013, respectively).

Anti-Stress, Behavioural and Magnetoencephalography Effects of an L-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial.

• 参加者 34人
• 18-40歳の健康な成人 34名

原文よりThe primary outcome measure, subjective stress response to a multitasking cognitive stressor, was significantly reduced one hour after administration of the L-theanine drink when compared to placebo.

L-theanine alleviates myocardial ischemia/reperfusion injury by suppressing oxidative stress and apoptosis through activation of the JAK2/STAT3 pathway in mice.

• MIRI（心筋虚血再灌流傷害）モデルマウス
• 10mg/kg 1日1回

原文よりL-theanine administration suppresses cellular apoptosis and oxidative stress in part via the JAK2/STAT3 signaling pathway, thereby attenuating MIRI-induced cardiac injury.

A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults.

• 参加者 64人
• 慢性的なストレスを抱える成人 64名
• 300mgの抽出物 カプセル1日2回 60日間

原文よりThe treatment group that was given the high-concentration full-spectrum Ashwagandha root extract exhibited a significant reduction (P<0.0001) in scores on all the stress-assessment scales on Day 60, relative to the placebo group.

Effects of Withania somnifera (Ashwagandha) on Stress and the Stress- Related Neuropsychiatric Disorders Anxiety, Depression, and Insomnia.

原文よりWS root and leaf extracts exhibited noteworthy anti-stress and anti-anxiety activity in animal and human studies.

A standardized Ashwagandha root extract alleviates stress, anxiety, and improves quality of life in healthy adults by modulating stress hormones: Results from a randomized, double-blind, placebo-controlled study.

• 参加者 50人
• 軽度から中等度のストレス・不安症状がある健康な成人 50名

原文よりThe PSS, GAD-7, and QOL scores improved significantly in all the participants taking ARE compared to the placebo.

Does Ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trials.

• 参加者 1,002人
• 25-48歳の参加者 1002名

原文よりThe current systematic review and dose-response meta-analysis of RCTs revealed a beneficial effect in both stress and anxiety following Ashwagandha supplementation.

Benefits from one session of deep and slow breathing on vagal tone and anxiety in young and older adults.

• 参加者 47人
• 若年者および高齢者 47名

原文よりDSB increased significantly HFpower and reduced state anxiety in both younger and older adults.

A Systematic Review of Breathing Exercise Interventions: An Integrative Complementary Approach for Anxiety and Stress in Adult Populations.

• 成人
• なし

原文よりBreathing exercises were found to be effective in reducing anxiety and stress in adults