Cold Weather Exercise in 2021

Cold Weather Exercise in 2021

This winter is more dangerous than previous winters because cold weather increases your risk for COVID-19, since it increases the time that people spend indoors where the virus can accumulate in the air. More than 95 percent of COVID-19 appears to be acquired indoors,...
Cold Weather Exercise in 2021

How to Prepare for Skiing When There’s No Snow

The best way to train for skiing is to ski, but snow isn’t always available. To prepare for a skiing trip, you need to strengthen both your heart muscles and your skeletal muscles. You can strengthen your heart for skiing with any exercise that will raise your heart...
Cold Weather Exercise in 2021

Bicycles Are Most Energy Efficient

A positive outcome of the many COVID-19 restrictions has been a huge boom in bicycling (New York Times, August 17, 2020). If you are a regular cyclist or are new to the sport, be proud. Humans riding on bicycles are more energy-efficient than any other form of...
Cold Weather Exercise in 2021

Why Humans Can Run Marathons and Apes Cannot

Extensive research by Dr. Ajit Varki at UC/San Diego suggest that 2-3 million years ago, our pre-human ancestors had a single genetic mutation that could explain why humans can outrun their primate relatives (J Biol Chem, 1998;273:15 866-871). Most other mammals did...