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  1. 2023年9月17日 · 3 min read. Something touches your skin, and your immune system thinks it's under attack. It overreacts and sends antibodies to help fight the invader, called an allergen. The result is a red,...

  2. 2023年6月6日 · A skin allergy. That’s when you encounter something your body thinks is dangerous, called an allergen. Your immune system overreacts, and releases antibodies to fight off these “invaders.” That...

  3. 2023年1月14日 · Sexual Conditions Guide. Pictures and Facts About STDs. Medically Reviewed by Traci C. Johnson, MD on January 14, 2023. Genital Warts (HPV) 1 /23. You don't have to have sex to get an STD....

  4. 2024年3月27日 · 5 min read. You’ve probably heard things like this: Men get turned on at the slightest provocation and are ready to have sex anytime, anywhere, while women tend to want sex less often and have to...

  5. 2024年1月14日 · 10 min read. Can You Lose Weight Fast? You want to drop pounds, now. And you want to do it safely. But how? Many experts say it’s best to lose weight gradually. It’s more likely to stay off. If you...

  6. 2022年12月12日 · Insecurity is a feeling of inadequacy (not being good enough) and uncertainty. It produces anxiety about your goals, relationships, and ability to handle certain situations. Everybody deals with...

  7. 2023年3月23日 · Overview. Theanine is an amino acid found in tea and some mushrooms. It comes in two forms: L-theanine and D-theanine. L-theanine is the most common form. Theanine is similar to...

  8. 2022年8月26日 · As the bladder empties during urination, the muscles contract to squeeze the urine out through the urethra. Several different bladder problems can cause pain. The three most common causes of ...