One of my teeth was given a crown (by a dentist), and shortly afterward, a root canal (by an endodontist). The tooth still aches 2 years later and I want a second opinion about the work that was performed on me. Should I seek the second opinion from a dentist or from an endodontist? Thanks.

Sparked by a Dengue infection on two of my off-site colleagues in India, I read up a little on this virus. Reading the Wikipedia article on Dengue fever, I saw that 80% of the infected people are asymptomatic but also that the incubation period varies from 3 to 14 days and that person-to-person ...

I haven been coughing and sneezing for a few days, and I didn't have any appetite. I planned to visit someone for a few days in a few days so I need to know whether there's any danger of infecting them, and I need to know whether I have to do something about it or it will pass naturally.

What is my disease? I'm unable to understand and memorize fast dialogs When someone speak fast (actually not very fast, but a little faster than normal) i can't understand it very well

Me and my BF had intercourse on September 13. We used condoms as well as Emergency Contraceptive Pill after the act. It's been 8 days but no Bleeding has occurred yet. Previously whenever I used ECP, I bleed within 1week. Is it compulsory to bleed after taking ECP? Or that is a side-effect of th...

Having surgery in a few days. I have a pre-op appointment with the anesthesiologist the day before, and was told it would be a 2.5 hour appointment. What happens in this appointment that takes so long? What should I expect? I thought I just tell them what I'm allergic to, what medicines I'm on, ...

Why can't a prescription for glasses be used for contacts also? Isn't the eyesight still the same? At first, I cynically thought it was just another way for my optometrist to make money -- so he had to charge me for another test. But then I thought about it... and I understand that the contacts...