Is there any reason why blood in urine would appear to go away and then come back? Yesterday and today, it seems to disappear and then come back strongly. The pictures show normal urine initially, but a later sample collected 4 hours later seems to have blood in it. Any reason for this?

December 9th, 2024

I took an HIV RNA, qL Real Time PCR test 14 days after a possible exposure involving protected vaginal sex and unprotected oral sex. The result was not detected for the virus. How conclusive are these results?

September 27th, 2023

I am extremely anxious because my hair touched dirty, dusty furniture that hasn't been dusted in years. I can't wash my hair for at least 24 hours and I'm terrified of getting an amoeba infection from the dust. Can you please calm my anxiety and tell me the risk and likelihood of amoeba being on the furniture and in my hair?

July 24th, 2024

I have severe migraines that I've developed within the past year. I'm 17 years old and I'm not sure if I should be concerned or if this is just something I have to deal with. I haven't had any head trauma, but I'm nervous about what's happening. Should I be worried?

April 12th, 2024

What are some good ways of strength training the calf muscles at the gym?

January 2nd, 2024