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  1. 2024年5月17日 · What Is an Erection? An erection occurs when your penis fills with blood, causing it to expand and become firm. You might have an erection if you feel sexually aroused, though sometimes they just...

  2. 2024年5月21日 · What Is Balanitis? Balanitis is soreness and redness in the head of your penis. It can make you uncomfortable in one of the most sensitive areas: the head of your penis, as well as the loose...

  3. 2024年5月24日 · What Is BMI? Body mass index (BMI) uses your height and weight measurements to estimate how much body fat you have. It’s a quick screening tool that can help find out if you are in a healthy...

  4. 2024年5月19日 · Magnesium Benefits. How Much Magnesium Is Needed Daily? Foods High in Magnesium. 5 min read. What Is Magnesium? Magnesium is a mineral that's crucial for the body's functions. What does...

  5. 2024年5月29日 · Costochondritis is one of the most common causes of chest pain. The pain can be severe, and some people will mistake it for a heart attack. But it’s typically harmless and usually goes away...

  6. 2024年5月23日 · 6 min read. Acetaminophen vs. Ibuprofen. Acetaminophen vs. ibuprofen are generic names for over-the-counter (OTC) pain relief drugs. They work differently in the body. Acetaminophen and ibuprofen...

  7. 2024年5月21日 · But too much mucus can be a sign of a health problem, like acid reflux, asthma, a cold, allergies, or an infection. Heavy smoking also produces mucus. To clear it up, stop smoking, if that's the ...