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1. www.webmd.com › heart-disease › atrial-fibrillationValsalva Maneuver: How to Do It and When to Use It - WebMD

   www.webmd.com › heart-disease › atrial-fibrillation

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   2023年2月6日 · How to Do the Valsalva Maneuver. Your doctor will tell you to: Sit down or lie down. Take a deep breath and hold it by closing your throat. Bear down hard, as if you’re trying to go to the ...

2. www.webmd.com › cholesterol-management › red-yeast-riceRed Yeast Rice: Benefits, Risks and Dosage Guidelines

   www.webmd.com › cholesterol-management › red-yeast-rice

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   2024年2月27日 · One showed that taking 2.4 grams per day reduced LDL levels by 22% and total cholesterol by 16% in 12 weeks. Another study showed that taking 1.2 grams per day lowered LDL levels by 26% in just 8 ...

3. www.webmd.com › vitamins › aiASHWAGANDHA: Overview, Uses, Side Effects, Precautions, ...

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   2024年4月11日 · Overview. Ashwagandha is an evergreen shrub that grows in Asia and Africa. It is commonly used for stress. There is little evidence for its use as an "adaptogen." Ashwagandha contains chemicals ...

4. www.webmd.com › sex › how-to-have-anal-sex-first-timeFirst-Time Anal Sex: How to Do It and Necessary Precautions ...

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   • Overview
   • Anal Sex
   • First-Time Anal
   • Preparing for Anal
   • Doing Anal
   • Risks OfAna

   This article provides information on anal sex, including what it is, how to prepare for it, and the risks involved. It covers topics such as pain during anal sex, using toys during anal play, preparing for first time anal experiences and safety tips when having anal sex.

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   Anal sex refers to inserting a penis, toy or fingers into the anus and can be performed by any person regardless of gender or sexual orientation. It is important to prepare correctly for anal sex and have trust in your partner.

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   Does anal sex hurt? What does it feel like? Should I use toys? These are common questions about first-time anal sex that should be answered before trying it.

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   Talking with your partner, making sure you're safe, buying necessary things such as lubricants are essential steps in preparing for your first time doing anal.

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   Start with foreplay, slowly explore the area without penetration, put lube on both partners' genitalia and anus before penetration starts, find a comfortable pace while experimenting from there. This guideline is also valid if using toys instead of a penis.

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   STIs are a big concern when having anal sex but risks can be reduced by always using condoms and changing them between different types of sexual contact; using enough lubricant; relaxing as much as possible; going to the bathroom 30 minutes prior to starting anal sex.

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5. www.webmd.com › sex › what-is-sextingSexting: What It Is and How to Sext Safely - WebMD

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   2023年12月7日 · Sexting is the act of sending sexual text messages. It often also involves sending nude, seminude, or suggestive photos. Sometimes, the messages also include sexual or explicit videos. Sexting can ...

6. www.webmd.com › vitamins-and-supplements › creatineCreatine Supplements: Benefits and Side Effects - WebMD

   www.webmd.com › vitamins-and-supplements › creatine

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   2023年12月11日 · It may also lower levels of a chemical called homocysteine, which has links to heart attack and stroke. Cancer. Creatine is thought to slow the growth of tumors. It may also boost the ability of ...