Key Highlights
- It’s a powerful reminder that staying active matters, even if you start late.
- Share: Facebook Pinterest LinkedIN Email FULL STORY A 47-year Swedish study found that fitness and strength begin declining as early as age 35.
- The good news is that starting exercise in adulthood can still boost physical ability and slow that decline.
- Credit: Shutterstock A long-running Swedish study conducted at Karolinska Institutet has followed people for 47 years to examine how fitness, strength, and muscle endurance evolve during adulthood.
- The findings show that physical performance begins to decline around age 35.


