@misc{indiciaeb93539123a2b,
  title = {Maintaining fitness keeps you sharp in old age. Men who decrease their physical activity after age 70 have greater mental decline than men who stay active.},
  year = {2005},
  url = {https://pubmed.ncbi.nlm.nih.gov/15816087/},
  note = {Source identifier: 15816087}
}