Blood Flow Restriction May Amplify HIIT Gains—With Caveats
Blood flow restriction may amplify interval-training gains in trained athletes, but cuff width, individual pressure, and safety gaps change the prescription.
Sprint interval training can raise fitness, but a 2025 umbrella review found no proven edge over steady cardio—and much of the evidence rates low quality.
Astaxanthin and Aerobic Training After 65: What We Know
Can astaxanthin improve fat burning during aerobic training after 65? One small trial says maybe, but its supplement mix and subgroup results limit the claim.