The menstrual cycle is a 21-35 day hormonal cycle during which estrogen and progesterone levels change to prepare the body for pregnancy. As hormones change throughout the month, you will ...
aDepartment of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing 210008, China bNanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical ...
Citric acid is a weak acid that is found naturally in all citrus fruits. Unlike strong acids, weak acids ionize only partially when in solution. If you’ve ever sunk your teeth into a lemon or ...