The general consensus, I believe, is that 30 minutes, three or four times a week, is generally considered to have positive effects. |
The sales continued to be strong. It's been a while since we had the typical downturn. But the domestic industry is having real trouble making money in this market. Unit sales have been good. Everything else has been problematic. |
There is still a lot to learn about how exercise affects the immune system, because it's difficult for researchers to assess the many layers of protection within the system. Strenuous or prolonged exercise seems to suppress the immune system, leaving athletes more susceptible to illness for one to six hours following a hard workout - the so-called open window. |
There's pretty good evidence that the intensity of prolonged exercise suppresses certain aspects of the immune system. If someone is just doing fitness exercise, it seems like their resistance is better. |
We certainly didn't want Sarah racing if her preparation has been compromised, |
We wanted to race but it would have been a waste of time, we're not going to race someone who's not fit. |
We will wait until there is a request for help. That way, we can meet specific need. We want to have a targeted response. |