I fell on my roller blades yesterday and skinned my knee. Now I'm watching my knee change and I am fascinated by the healing process. Could you explain to me just what is happening?

A couple of months ago I developed a hard, bony growth on my instep. I noticed that the top of my foot was hurting, and when I took my shoe off, there was a red lump the size of a quarter (it's not red all the time, just from rubbing against the shoe). A friend of mine who is a nurse said that it's probably a ganglion cyst and the best thing to do would be to, and I quote, "hit it with something really hard," like a dictionary, or a hammer. It should break up immediately, she told me. She hasn't seen it, by the way — this was over the phone.

I'm surprised that she thinks it's a cyst, because it's awfully hard — I would have just thought that it was a bone spur. What do you think? And is smacking a cyst with a dictionary really the way to go?

I have a friend who thinks he may have testicular cancer. I am the only person who knows. He is really embarrassed about it and refuses to tell anyone else. But I think his main problem is that he's afraid of what would happen next if it turns out that he did. I'll often tell him that it's not that embarrassing and he can tell his parents, but since I'm a girl, I just don't understand.

I have tried absolutely everything to make him tell someone, anyone really. But he won't. I am truly scared for him and have no idea what I would do without him. What should I do? Thanks for taking the time to read this, I really appreciate it and could really use the help.