If it wasn’t for the movie “Grease,” a dot-com failure, a mother’s advice, nearly running out of money, a key change in a business model and a boost by the celebrity Pitbull and his pals, one of the ...

Zumba — a high-energy form of aerobic exercise inspired by Latin dancing — can be a fun way to increase your physical activity and daily calorie burn. To lose weight, you’ll need to create a calorie ...