An expert denies that you have to donate blood on an empty stomach or that it weakens your immune system.

Beatriz Arenaz, head of the laboratory service at Hospital Blua Sanitas Valdebebas, has clarified medical guidelines regarding blood donation. She explicitly debunked common misconceptions, stating that donors are not required to fast before the procedure and that the act of donating blood does not weaken the immune system.

These clarifications aim to address persistent myths that may discourage potential donors. By providing evidence-based guidance on how to properly prepare for the process, the expert seeks to encourage participation and ensure that individuals feel confident in the safety and health implications of donating.