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  1. The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award ...

  2. 2024年1月31日 · Hot flashes are the most common symptom of perimenopause and menopause, which is the natural time when your ovaries stop releasing eggs and your period stops. Doctors refer to hot flashes as...

  3. 2023年5月2日 · An erection starts in your brain. Something you saw, felt, smelled, heard, or thought makes your nerves send chemical messages to the blood vessels in your penis. The arteries relax and open up to ...

  4. 2023年7月20日 · Depression, also known as major depressive disorder, is a mood disorder that makes you feel constant sadness or lack of interest in life. Most people feel sad or depressed at times. It’s a ...

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    Birth control is a way for men and women to prevent pregnancy. There are many different methods of birth control, including hormonal contraception such as \"the pill.\" Women take the pill by mouth to prevent pregnancy, and, when taken correctly, it is up to 99.9% effective. However, the pill does not protect against sexually transmitted diseases, ...

    A woman becomes pregnant when an egg released from her ovary (the organ that holds her eggs) is fertilized by a man's sperm. The fertilized egg attaches to the inside of a woman's womb (uterus), where it receives nourishment and develops into a baby. Hormones in the woman's body control the release of the egg from the ovary -- called ovulation -- a...

    Another option for hormonal contraceptives is the extended-cycle pill, such as Seasonale, which was the first one to be approved. Seasonale contains the same hormones as other birth control pills, but the hormones are taken in a longer cycle. That reduces the number of menstrual periods from 13 periods a year to only four a year. That means a woman...

    Seasonale contains the same combination of two hormones that are commonly used in other hormonal contraceptives. But the pill is taken continuously for 12 weeks followed by one week of inactive pills, which results in a menstrual cycle. Other extended-cycle pills, such as Seasonique and LoSeasonique use a different configuration of the same hormone...

  5. 2022年12月16日 · Masturbation is a very common behavior, even among people who have a sex partner. In one national study, 95% of males and 89% of females reported that they have masturbated. Masturbation is the ...

  6. 2022年1月16日 · Daily health news from WebMD's team of award-winning journalists. WebMD is the destination for trustworthy and timely medical and health news and information.