300 workouts for the ultimate fitness challenge

Research shows that short bouts of high-intensity resistance training are just as effective at spiking metabolism as standard workouts lasting an hour or longer.

High-Intensity 300 offers 300 workouts that can be completed in just 30 minutes. This collection of challenging routines provides people who like to push themselves to the limit with a way to build muscle and shed fat.

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More evidence that exercise can help prevent and treat breast cancer

Exercise after cancerResearchers at the University of New Mexico are studying a newly discovered hormone that muscles release after exercise.

Irisin, named for the Greek “messenger” goddess Iris, may prevent breast cancer and boost the effects of chemotherapy drugs used in breast cancer treatment.

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