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  1. 2024年5月17日 · Also known as impotence, erectile dysfunction (ED) is the inability to have or maintain an erection adequate for sex. If you have a penis, you are bound to experience ED at one time or another ...

    • Overview
    • How it Works
    • Missionary Position
    • Boring Myth
    • Only One Way Myth
    • Try With Partner

    This article is about the missionary position, one of the most basic sex positions. It explains how to do it and debunks some myths surrounding it such as "it's boring" and "there's only one way to do it". The article also provides tips for couples who want to try this intimate sexual position.

    The missionary position is one of the most basic sex positions, in which one partner is on top and the other is on bottom facing each other. One partner usually has more control than the other.

    In this position, one partner lies flat on their back with the other on top facing them for either vaginal or anal penetration. The partner on top usually has more control over speed and depth of penetration but can be changed by bottom's hips and legs movements.

    The missionary position might be intimate as both partners are close to each other face-to-face, allowing skin-to-skin contact and eye contact during intercourse; it remains popular because it's low effort, comfortable, relaxing for one lying down not moving much.

    There are different ways that you or your partner can change sensations and angles in this position such as rotating hips up/down or adding a pillow under bottom for deeper penetration; starting in this position may lead to trying others throughout intercourse.

    Talk with your partner first before trying since it’s quite intimate; if you have back pain lie down keeping legs at 90 degrees to keep muscles relaxed.

  2. 2023年3月23日 · Overview. Astaxanthin is a red pigment that belongs to a group of chemicals called carotenoids. It occurs in certain algae and causes the pink-red color in salmon. Astaxanthin is an antioxidant....

  3. WebMD is a trusted source of health and medical information, with expert reviews, community support, and educational services. Find a doctor near you or browse health news.

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  4. WebMD's A to Z Drug Database provides information on prescription drugs, vitamins, and over-the-counter medications, including side effects and interactions.

  5. Overview. Phosphatidylserine is a chemical that is important for many functions in the human body, especially in the brain. Small amounts are found in most foods. Phosphatidylserine is part of the...

  6. 2024年3月5日 · 4 min read. Much of the information about HPV virus (human papillomavirus) centers on women, since having the virus increases their risk of getting cervical cancer. But HPV virus in men can cause...

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