This article is motivated by some incidental conversations I've had with fellow athletes in recent times regarding dissatisfaction with their own medication regimes. The use of beta-blockers, in particular, for managing hypertension (high blood pressure) or arrhythmia (irregular heart beat)...

We're experiencing a heat wave in Melbourne! How does training in hot weather affect your heart? On a hot day, blood flow is rerouted so more of it goes to your skin surface to help your body let off your internal heat (and you break a sweat). The redirection of blood flow to the skin makes...