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Most insect bites cause only minor swelling or itching. But if you're allergic to insects such as wasps or bees, a sting can cause a life-threatening allergic reaction. Tick bites and poison from scorpions and certain spiders can be serious. Knowing when to get emergency care could save your life.

Learn all about tick bites, including removing a tick, common symptoms of tick-borne diseases, and when to get medical help after a bite.

Detailed information on hormones and their role in the workings of the endocrine system

Detailed information on the anatomy and function of the pituitary gland.

Lyme disease is an infection caused by the bacteria Borrelia burgdorferi. This spiral shaped bacterium is most commonly spread by a tick bite.

Learn about poisoning in children, including how to prevent poisoning and how to respond in an emergency.

Detailed information on spider bites, including symptoms and treatment.

Cosmetic nose reshaping is also known as rhinoplasty. This surgery can change the shape of the nose, and also fix some breathing problems.

Detailed information on postoperative discomforts and potential complications, including shock, hemorrhage, wound infection, deep vein thrombosis, pulmonary complications, urinary retention, and reaction to anesthesia.