Medically reviewed by Sanja Jelic, MD Key Takeaways The diaphragm is the main muscle used for breathing. The diaphragm helps ...

Researchers have discovered a genetic mutation that can cause dissection of the thoracic aorta, which is the body’s main artery. The mutation leads to an impaired function of the smooth muscle cells ...

When the neck pain began, Amani Odom placed a warm compress on it to soothe her muscles. Soon a jolt of pain “shot straight to (her) chest.” “I immediately shot out of bed and was gasping for air and ...