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1. 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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   2022年11月7日 · Go to the bathroom about 30 minutes before starting anal sex. This will avoid most accidents while also reducing the chance of infection. Having anal sex for the first time can seem daunting ...

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

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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 ...

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 › 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 ...

5. 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 ...