While you read this article, your body is busy at work: Chemicals are being secreted from glands, organs, and tissues, sending messages that direct your body to react in certain ways. These chemicals, ...
There are many different kinds of birth control—and even more factors contributing to decisions about the best birth control method for you or your partner. Some methods rely on the hormone progestin ...
Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...
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