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わずか週90分:長生きするための筋力トレーニングのスイートスポット

Just 90 Minutes a Week: The Strength Training Sweet Spot for a Longer Life

ハーバード大学の最新研究によると、週90〜120分の筋トレで死亡リスクが大幅に低下することが判明。有酸素運動と組み合わせれば、その効果はさらに高まるという。忙しい現代人に朗報となるその内容とは?
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Do you really need long hours in the gym to live longer? Maybe not. A Harvard-led study published on June 2, 2026, gives a hopeful answer: about 90 to 120 minutes of strength training per week may be enough to bring major health benefits. The researchers used data from nearly 150,000 U.S. adults in three long-running studies and followed them for up to 30 years. (hsph.harvard.edu)

The most interesting finding was the “sweet spot.” People who did about 90 to 119 minutes of resistance training each week had a 13% lower risk of death from any cause than people who did none. They also had a 19% lower risk of death from heart disease and a 27% lower risk of death from neurological diseases such as Alzheimer’s. In this study, doing more than 120 minutes a week did not seem to add extra benefit. However, this was an observational study, so it shows a strong link, not final proof that lifting weights directly caused longer life. (hsph.harvard.edu)

There was another important lesson: strength training worked best when people also did aerobic exercise, such as walking, running, swimming, or cycling. The people with the lowest risk of death were those who did both types of exercise; their risk was up to 45% lower than the risk for people who did neither. This matches current CDC advice for adults: at least 150 minutes of moderate aerobic activity each week, plus muscle-strengthening exercise on 2 or more days. (hsph.harvard.edu)

For busy learners, this news is encouraging. Ninety minutes a week can mean two 45-minute workouts, or three short sessions. You do not need to become a bodybuilder. Push-ups, squats, lunges, resistance bands, or dumbbells can all count. The message from the research is simple: a small, regular habit may be much more powerful than an extreme plan you cannot keep. (hsph.harvard.edu)

by EigoBoxAI
作成:2026/06/26 18:00
レベル:初中級 (語彙目安:1000〜2000語)
タイプ:リーディング

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