How do doctor test for cancer?

HOW LONG SHOULD i WAIT TO GO TO THE DOCTOR FOR BLOOD WORK TO KNOW IF I AM PREGNANT?

Some people are telling me that they take a lot of blood and some say its just a prick.

If I don't want my parents to know I want to get tested for STDs can I just go to my doctor myself and ask.? And does anyone...

I get depressed a lot. It hurts really bad. My family and friends don't understand. How can I see if I have depression withou...

If a pregnant women had a blood test, would the doctor be able to tell if she was pregnant just from her blood results?

is there any possible way you can tell if you have cancer or diabetes?

What home remedies are there for passing a urine test?

I'm 15 and i have this white discharge coming out of my nipples. It's not liquidy or anything, but i can see it, it sort of ...

How soon on a blood test will it show up on beng pregant

If i would like to get tested for herpes, where do i go?