Most people infected with tuberculosis (TB) never get an active infection, which is when it is contagious from one person to the other. Those infected usually develop latent TB, which means that the bacteria li... continue reading  about  I'm volunteering with a medical/dental mission to Cambodia. I'm concerned about the incidence of TB, and if I'm infected, how soon I could tell? I work closely with children and don't want to expose them to TB after my return. Should I be tested?

I read several studies that seem to link increased risk of hearing loss to use of NSAIDS (ibuprofen is an NSAID). It is important to understand that there is an increase RISK of hearing loss in both women and m... continue reading  about  I take ibuprofen daily for back problems, but I read recently that sometimes it can cause hearing loss. Is this true, and how much would you need to take to cause this to happen?

Travel advice comes up often for us in primary care medicine. Health issues can arise in many places that are very different from what we face in the USA. My advice:See your primary care doctor as they are well... continue reading  about  What kind of health precautions should be taken before traveling to South East Asia (Thailand, Cambodia, Vietnam)?

The pneumonia vaccine helps protect you from S. pneumoniae, a bacterial germ that causes serious lung infections like pneumonia as well as blood infections and meningitis. It protects you from the most common t... continue reading  about  At what age should I have a pneumonia vaccination? Thank you!

This is a complicated question and involves both assessment of your actual risk, then consideration of how that should inform your screening process. Consult with your doctor to calculate your actual risk, base... continue reading  about  Breast cancer runs in my family (mother). Should I get a mammogram earlier than 40?

Kidney stones form in several ways but typically start as crystals that form in concentrated urine. So one thing everyone can do to help prevent stones is to drink extra liquids (to produce 2.5 liters of urine ... continue reading  about  I was recently diagnosed with a kidney stone, but my doctor thinks it will pass on its own without treatment. What is a kidney stone, and is there anything I can do to prevent getting them again?

Herpes zoster, better known as shingles, is a debilitating rash and has the potential to cause chronic pain (post-herpetic neuralgia). The vaccine has proven to decrease the risk of getting shingles and of havi... continue reading  about  My mother, who is 91, had a mastectomy 30 years ago. Luckily, she is still in good health today. Is it okay for her to get a shingles shot now? It's hard to tell whether her immune system is weak or not.

Urinary tract infections are one of the most common infections doctors treat. More than half of women living in the United States will get a UTI at some point in their lives. Urinary tract infections are caused... continue reading  about  I've heard urinary tract infections (UTIs) are getting harder to treat. Why is this and who's at risk of developing one?

I'm glad that you asked. Gum bleeding after brushing or flossing is a common concern. Gingivitis, or inflammation of the gums, is the most common cause of bleeding gums. Other symptoms of gingivitis may include... continue reading  about  I am experiencing bleeding when I floss or brush my teeth. I recently switched to an electric toothbrush. What can I do to prevent the bleeding?