Bartter syndrome is a group of similar rare conditions that affect the kidneys. It's genetic, meaning it's caused by a problem with a gene. If you have this condition, too much salt and calcium ...

What is lower crossed syndrome? If you’ve been told that you have lower crossed syndrome (LCS), you might wonder what this condition is, what causes it, and how it is treated. Lower crossed ...

Sudden arrhythmic death syndrome is when someone dies suddenly and unexpectedly from a cardiac arrest, but it's not clear what the cause was. A cardiac arrest is when your heart suddenly stops pumping ...