/u/[deleted]'s posts in /r/askscience
If I accidentally cut or graze my finger and I also have a cold or the flu, am I more likely to suffer an infection in the wound because my immune system is already being challenged elsewhere?
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I spent three days taking care of my boyfriend with the flu and now he's feeling much better. Now I'm sick. He's suggesting that I blow him to try and absorb his antibodies. How full of shit is he?
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How can stardust create stars if (a) stars need hydrogen and (b) star dust is formed after stars have run out of hydrogen?
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If we do learn new subject,and concentrate hard. We get mentally tired. What is the neuro-chemical/biological reason behind it?
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