Nicotine: Sporting Friend or Foe? A Review of Athlete Use, Performance Consequences and Other Considerations

Nicotine: Sporting Friend or Foe? A Review of Athlete Use, Performance Consequences and Other Considerations

Nicotine use amongst athletes is high and increasing, especially in team sports. This narrative review examines the rationale behind its use and evidence of its effect on physical performance, and considers important factors that should determine future research efforts. To date, ten studies have assessed muscular strength and power, sub- or maximal endurance and high-intensity exercise when ni...

Kant: Friend or Foe of the Believer? Plantinga and Other American Christian Responses to Kant's Epistemology

Antioxidants - friend or foe?

Particularly in the field of advertising and in popular scientific journals, antioxidants such as β-carotene (from carrots) or lycopenes (from tomatoes) and the vitamins C and E are one-sidedly portrayed as substances capable of offering protection against cancer or ageing because they diminish or prevent the effects of free radicals. However, free radicals should by nomeans be considered as be...

Friend or foe

For many years, β-defensins were best known for their antimicrobial activity. However, β-defensins also exert immunomodulatory functions, such as the chemotactic recruitment of immune cells via chemokine receptors. We demonstrated that mouse β-defensin 14 recruits CCR6(+) B cells into fibrosarcomas, resulting in enhanced angiogenesis and tumor development.

Nanofibers: Friend or Foe?

Alke Petri-Fink 1, Barbara Rothen-Rutishauser 1 and Martin J. D. Clift 1,2,* 1 BioNanomaterials, Adolphe Merkle Institute, University of Fribourg, Rte de l’Ancienne Papeterie, Marly 1, 1723 Fribourg, Switzerland; [email protected] (A.P.-F.); [email protected] (B.R.-R.) 2 Swansea University Medical School, Singleton Park Campus, Swansea University, Swansea, Wales SA2 8PP, UK * Corresponde...