Singer Billie Eilish lives with Postural Orthostatic Tachycardia Syndrome, more commonly known as POTS. It is a condition that causes the heart rate to spike suddenly when getting up from sitting or ...
What is Cushing's syndrome? Cushing's syndrome is a hormonal disorder. It’s caused when you have high levels of the hormone cortisol over a long time. Cushing's syndrome is fairly rare. It most often ...