Long term Finnish studies have linked frequent sauna use with substantially lower cardiovascular and all cause mortality. Controlled trials also suggest benefits for blood pressure and vascular function. But no randomized trial has shown that sauna itself makes people live longer.
Practical Health Science Editorial Team
5 min read
Sep 4, 2026
Creatine may improve certain aspects of memory and cognitive performance, particularly when the brain is under metabolic stress. But evidence in healthy, well-rested adults remains inconsistent, and creatine is not yet a proven general cognitive enhancer.
Practical Health Science Editorial Team
8 min read
Sep 3, 2026
People who are more physically active have a lower risk of several cancers, including breast, colon, endometrial, kidney, and bladder cancer. Exercise may help through multiple biological pathways, but it cannot eliminate cancer risk.
Practical Health Science Editorial Team
6 min read
Sep 2, 2026
Collagen supplements are not useless but they are also not a universal anti-aging solution. Evidence is most promising for some joint and tendon outcomes, while benefits for skin are less certain than marketing often suggests.
Practical Health Science Editorial Team
7 min read
Sep 2, 2026
Zone 2 cardio can improve aerobic fitness and makes it easier to accumulate substantial exercise volume. But research does not show that Zone 2 is uniquely superior to other exercise intensities for longevity.
Practical Health Science Editorial Team
6 min read
Sep 1, 2026