Resistance training makes us happier and smarter
A new study shows that lifting weights impacts not only the body but also sleep, mood, cognition, and daily functioning.
Introduction
Key findings
Researchers confirmed that resistance training is a powerful tool to support the mind, brain, and functional capacity — even later in life.
Better mood
Depression and anxiety scores dropped significantly — participants felt happier.
Sharper mind
Memory, attention, verbal fluency, and reaction time all improved — training made them smarter.
Improved sleep
The average PSQI score fell from 7.26 to 4.61, showing deeper and calmer sleep.
Functional independence
More strength, better results in walking and chair-stand tests — easier daily functioning.
Quick facts
Program length
12 weeks of supervised resistance training
Number of participants
160 older women (average age 69 years)
Key assessment tools
PSQI, PHQ-9, GDS-15, Beck Anxiety Inventory, plus cognitive and functional capacity tests