-Alyssa, Las Vegas, NV
It’s better to space out your sessions, says Mike Bracko, Ed.D., an exercise physiologist in Calgary, Alberta. “If you work out three days in a row, then you have four days of rest, during which you can undo the good you did on your active days—like strength and endurance gains.” Ideally, you should exercise every other day, so on days of your muscles can recover and rebuild. But if back-to-back workouts are unavoidable, try cardio one day, strength training the next, and try not to target the same muscles (like your biceps and triceps) two days in succession.
Can I drink water that has been in my water bottle for over 24 hours?
-Leanna, Columbia, SC
There have been some concerns that the chemical bisphenol A…