Dr. Peiqing Qian M.D.

What is Raspberry ketones?Raspberry ketones are compounds that create the unique aroma raspberries project. These ketones are used in foods and cosmetics for enhancing flavor and aroma in the product. The extracted ketones from the berries contain a large amount of phenolic compounds that help to...

Acute bronchitis may not cause any complications if it occurs the first time in a person. It usually goes away by taking proper rest after about two to three weeks. However, if bronchitis is left untreated, it can affect the respiratory system and damage the airways and lungs. Because of this...

Do I Have a Sleep Disorder?Sleep normally follows a pattern that alternates between rapid eye movement (REM) sleep and non-REM sleep. Changes in this pattern affect sleep resulting in disorders that may lead to tiredness and lack of concentration and attention during day time. Sleep can be disrupted...

Over the course of our four million or so years of evolution, we humans have developed a highly-specialized immune system that is quite a warrior in combating infections. We are bombarded daily by bacterial and viral pathogens which have the potential to cause us serious illness, but, completely...

Osteoporosis refers to a very common, progressive condition, characterized by weak and fragile bones. The bones are so weak that even a small strain may result in fracture. The bones lose its density gradually during the early years and this stage, which is the precursor of osteoporosis, is known as...

Want a youthful appearance? Then just smile, or so says a new study. In one recent study, people guessed that people who were smiling in photos were younger than those who had neutral or angry expressions. This is another study which adds to the evidence that facial expression has an impact on the...