Until recently, a heart condition called transthyretin amyloidosis (ATTR) was difficult to diagnose and had no treatment. Today, cardiologists are able to diagnose the condition with a non-invasive scan, and have medicine to treat it.

The most common symptom of a heart attack for both men and women is chest pain. But women are more likely than men to report other less obvious heart attack warning signs such as severe fatigue, shortness of breath or nausea.

The symptoms of multiple sclerosis can easily be confused with a variety of other medical conditions, making it a challenging disease to diagnose.

If you have shoulder pain, it may not be obvious whether you should see a doctor about it, or try to tough it out with over-the-counter pain relievers, ice, and rest.