The only piece of fitness equipment you need right now is a heart rate monitor

Everyone's tracking their heart rates. Whether it's through a wearable or in a fitness class, experts explain why tracking your heart rate is key to your health.

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Photo: Getty Images/jacoblund

The Making of an Internet-Famous Fruit: How Sumo Citrus Has Captured Hearts, Tastebuds, and a Devoted Following

photo of growers transporting many sumo citrus for review
Photo: Sumo Citrus® & W+G Creative