This was a perfect morning for a run. Sunny and cold, with fresh snow to look at as I sped past the sparkling lake. By the end of my 9km (1hr 7mins – snowy sidewalks slowed me down), I went to have a drink from my water bottle and nothing came out because the water […]

In an average healthy adult, the volume of blood is about one-eleventh of the body weight. Most sources state the volume of blood in an average human adult such as myself, who is between 140 to 150 pounds, as between 4.5 and 4.7 liters. Math is not my strong point, but if three people spend […]