Eating can cause blood pressure to decrease temporarily as the body directs blood flow to the digestive system; this is more likely to affect older adults. Fasting may lower blood pressure, but it ...

A heart specialist has warned people taking medication for common conditions including high blood pressure. Dr Francisco Lopez-Jimenez, a cardiologist at the Mayo Clinic, warns that whilst "prevention ...

A normal sodium level in the blood is between 135 and 145 mEq/L. Low sodium levels, called hyponatremia, can cause confusion, seizures, or coma. High sodium levels, called hypernatremia, may lead to ...

White blood cells (WBCs) are important parts of the immune system that protect against infections. There are five types of white blood cells, each with different roles, like fighting off bacteria or ...