"Urine" the healthy zone if your pee is yellow; other colors could mean trouble. Check out our guide from black to white and frothy, too.
It's a contributing factor in asthma, hypertension, anxiety, sleep apnea... and can even lead to sudden heart attacks among the fittest of the fit. Yet this mistake is so widespread that you're quite likely to be making it.
Guzzling diet soda comes with its own set of side effects that may harm your health and contributes to weight gain.