A pulled chest muscle is more likely after lifting heavy objects with poor posture or overworking the area via repetitive workouts and little to no rest in between. Costochondritis can also happen ...

Signs that your pneumonia is improving include reduced fever and improved breathing. Learn more about the recovery timeline ...

Doctors have told Mattheus he's day-to-day at this point. Mattheus first started feeling pain in his upper chest after throwing his second bullpen session of spring, back on Feb. 18.

Learn the three main causes of swollen veins: venous insufficiency, blood clots, and inflammation. Discover symptoms, treatments, and when to seek medical care.

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm pain and when to see a doctor.

Conditions like esophagitis, which causes inflammation in the esophagus, can also trigger painful hiccups. Since the esophagus runs through the diaphragm on its way to the stomach, any irritation ...