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2023年5月2日 · An erection starts in your brain. Something you saw, felt, smelled, heard, or thought makes your nerves send chemical messages to the blood vessels in your penis. The arteries relax and open up to ...
2022年11月11日 · If you have watery eyes, there are several possible reasons. They range from allergies to infections, blocked tear ducts, and funny looking eyelids. So grab a box of tissue, dab your eyes, and find...
2022年12月16日 · Masturbation is the self-stimulation of the genitals to achieve sexual arousal and pleasure, usually to the point of orgasm (sexual climax). It is commonly done by touching, stroking, or...
2022年11月7日 · A dust allergy (or dust mite allergy) is an allergic reaction to tiny bugs that live in the dust in your house. About 20 million Americans are allergic to these bugs. When you're one of these...
2023年4月10日 · View All. Leprosy is caused by a slow-growing type of bacteria called Mycobacteriumleprae ( M. leprae ). Carbuncles. A carbuncle is a red, swollen, and painful cluster of boils that are connected...
2024年4月13日 · Its use is tied to a lower risk of colorectal, endometrial, and ovarian cancers. A higher risk of breast and cervical cancers has been seen in current and recent birth control pill users, but the ...
