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I am a 17 yrs old male, i have recently started having hair loss but i been having dandruff for 2 yrs now. i thought it was normal but it seems to have gotten a lot worse. What should I do?

I am 23 years old. I have a small black mole on nose. Mole has irregular edges and parallel to skin surface. I want to clear this spot.

I am dating someone who claims to have leukemia. He goes to work and is living a normal life. He told me he has last stage of leukemia. But I feel he is lying about his condition. He says he vomits blood but he hasn't lost any hair or weight. Can a person with leukemia live a normal life like that?

Everytime when I blow my nose I see blood. What should I do?

What is post-concussion syndrome?
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