The results show that both fitness and strength start to decrease as early as age 35, regardless of how much people trained earlier in life. From that point forward, physical decline continues gradually and tends to speed up with advancing age.
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Swedish study reveals when fitness and strength begin to fade
January 21, 2026The results show that both fitness and strength start to decrease as early as age 35, regardless of how much people trained earlier in life. From that point forward, physical decline continues gradually and tends to speed up with advancing age.