Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
You would have to walk for seven hours straight to burn off a Super Sized Coke, fry and Big Mac.
153
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202