網上有冇d適合高中生睇既醫學雜誌/文章?

This one is a little technical, but has excellent articles on everything:
http://www.emedicine.com/splash.html

Here's the medical bible from Merck
http://www.merck.com/mrkshared/mmanual/home.jsp

and here is a complete list of medical journal from which you can make yor own choice, but they are even more technical, because of specialization:
http://www.freemedicaljournals.com/

Happy reading.