Dr. David Henry John M.D.

What is vitamin D?Vitamin D is an important element to building strong and healthy bones as well as good overall health. It is also a vital nutrient that makes sure that the brain, lungs, heart, and muscles function well.Vitamin D is a fat-soluble vitamin. The body can make its own vitamin D when...

Generic Name: MirabegronBrand Name: MyrbetriqWhat is Myrbetriq?Myrbetriq (mirabegron) is a prescription medication that is FDA-approved for the treatment of overactive bladder (OAB) along with its symptoms, such as urinary frequency, urgency, and leakage in adults. This medication helps control...

What is bursitis?Bursitis is a condition that causes inflammation of the bursa. Once the bursa is inflamed, it starts swelling. It causes pain around the affected area. The condition affects any part of the body where there are bursae.What is a bursa?A bursa is a sac-like cavity filled with fluid....

Bronchial tubes, which are an important part of the respiratory system, perform an important function of exchanging air to and from the lungs. However, sometimes due to various triggers, these bronchial tubes can get inflamed causing a mucus build-up. The symptoms like coughing and dyspnea that are...

Xanax is a medication used to treat patients suffering from panic disorders, anxiety, and depression due to anxiety. Xanax is a part of the drug family or class benzodiazepines.Effects of this drug usually start within twenty-five minutes of taking it and provide relief for up to a few hours....

Every now and then, you hear people complaining about constant back pain. According to statistics, about 80% of Americans will suffer from back pain at one point of their life.Back pain can be caused by many things, but it is most commonly triggered by incorrect sitting or standing positions, not...