DEAR DR. ROACH: My mother’s blood test has a sodium level of 130 mEq/L. She is not on diuretics, and she does not have heart or kidney problems. She is on thyroid medication and omeprazole. Do I need ...

Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

While it is important to contact a doctor for regular checkups, some at-home preventive tests can help screen for certain conditions such as diabetes, high cholesterol, and nutritional deficiencies. A ...