Learn how vitamin D affects bone health and other health conditions, and discover the possible side effects of taking too much of this supplement.
Learn more about the preparation for and results of this common diabetes blood test.
Learn how COVID-19 antibody testing is done to find out if you've had a past infection with SARS-CoV-2, the virus that causes coronavirus disease 2019.
Ready to commit to fitness? For the best results, choose a program based on your abilities, goals and preferences.
Learn what's involved in surgery to treat stress incontinence and overactive bladder, including risks and things to consider before deciding on surgery.
High blood pressure can cause other health complications. Find out more about these complications.
Understand how the placenta works and the conditions that can affect the placenta during pregnancy.
Learn if your metabolism influences weight loss — or weight gain.
Learn about the types of operations used to treat breast cancer, including lumpectomy, mastectomy, lymph node surgery and breast reconstruction.
The diaphragm can be inserted minutes or hours in advance of sex, and keeps working for up to a day — but doesn't protect against STIs.