Readers Asked Us to Test These 5 Protein Powders. All Had Low Levels of Lead.

We tested powders from Clean Simple Eats, Equate, Premier Protein, Ritual, and Truvani. Our results show it’s possible to ...
BMJ

Recommendations for determining the validity of consumer wearable heart rate devices: expert statement and checklist of the INTERLIVE Network

Correspondence to Dr Moritz Schumann, Institute of Cardiovascular Research and Sports Medicine, Department of Molecular and Cellular Sports Medicine, German Sport University Cologne, Koln 50858, ...