Spend enough time in the gym and you'll hear a lot of bad fitness advice. The Internet and online forums, if anything, have made the grapevine of fuzzy workout science worse. The sheer volume of anecdote-based health lore versus real, evidence-based science is frustrating to many MDs.
"If you have a question or a concern about something, seek out the advice of a doctor or a real, qualified expert, not someone who got a one-day certification," says Dr. John Gallucci Jr., a New Jersey-based physical therapist.
The good news is that most persistent fitness tropes are harmless. But a few fitness myths are truly dangerous. Here we try to put them to bed once and for all. Read on for six fitness myths that could have serious, even fatal, consequences.