[post_page_title]Don’t take any ice[/post_page_title]
For a similar reason not to have any water in your coffee, try and avoid asking for any ice in your drink while in the air. This ice is often made with the same water for the rest of the plane, which isn’t always the cleanest.
Not putting any ice in your cup also leaves a bit more room for your drink so you can get rid of the can and have more space on your tray table. The ice might be refreshing, but it can also upset your stomach.
Staying fit is certainly a commitment. Besides doing the physical training, there are some other factors to consider, like nutrition