https://www.medicalnews.pk/31-Jan-2026/night-owls-cardiovascular-risk 2026-01-31T17:00:00+05:00 https://www.medicalnews.pk/31-Jan-2026/pakistan-sadaf-stress-scale-mental-health-research 2026-01-31T14:00:00+05:00 https://www.medicalnews.pk/31-Jan-2026/pakistani-scientists-top-two-percent-global-ranking 2026-01-31T12:02:00+05:00