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The 9 most fraudulent health and fitness products ever

Men's Fitness Logo By AMI of Men's Fitness | Slide 1 of 9: <p>Vibrating machines of all shapes and sizes—from handheld personal vibrators marketed to women for the treatment of "hysteria," to vibrating head massagers designed to stimulate hair follicles, to infamous quack John Harvey Kellogg's vibrating chair—have enjoyed popularity at various times since 1900. From the 1950s to the 1970s they were sold as weight loss equipment. Vibrating machines have made a comeback recently, this time with some more credible claims.</p><p>One manufacturer of a vibrating workout platform, Powerplate, is endorsed by celebrities and professional athletes like the Tampa Bay Rays' Evan Longoria and former MLB player Justin Morneau. According to a recent New York Times report, research generally suggests that working out on these machines has some short-term effect on performance, although researchers admit they're not sure why they work.</p>

1. Vibration machines

Vibrating machines of all shapes and sizes—from handheld personal vibrators marketed to women for the treatment of "hysteria," to vibrating head massagers designed to stimulate hair follicles, to infamous quack John Harvey Kellogg's vibrating chair—have enjoyed popularity at various times since 1900. From the 1950s to the 1970s they were sold as weight loss equipment. Vibrating machines have made a comeback recently, this time with some more credible claims.

One manufacturer of a vibrating workout platform, Powerplate, is endorsed by celebrities and professional athletes like the Tampa Bay Rays' Evan Longoria and former MLB player Justin Morneau. According to a recent New York Times report, research generally suggests that working out on these machines has some short-term effect on performance, although researchers admit they're not sure why they work.

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