I tried an EMF-blocking device to reduce my exposure to potentially dangerous radiation. Here’s what happened© Getty Images Somavedic says its EMF-blocking device can improve sleep and energy.

Radiation therapy uses high-energy rays to destroy cancerous cells. Doctors may recommend a combination of radiation therapy and chemotherapy to treat esophageal cancer.

A number of studies in the past year have raised concerns that Americans are exposed to too much radiation from CT scans, increasing their risk of cancer.