Extended Essay Help

<p>Dear Reader...
I am doing an extended essay for Biology.
I am consider the following stuffS as my topics, but i don't know how to make it a good topic....GIVE ME AS MUCH SUGGESTION OR HELP AS POSSIBLE.</p>

<p>1.genetic disease-color-blind.
2.immune system.
3.Red wine and medical research
Give me some ideas...</p>

<p>Thank you very much</p>

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