There are no hard and fast rules about the timing of PTSD, or post-traumatic stress disorder. While some people may experience symptoms right after the trauma, others may have a longer delay.

The World Health Organization has initiated an emergency meeting this weekend to combat a mysterious new respiratory illness that may be more deadly than SARS.

Chronic myeloid leukemia (CML) was once a dire diagnosis. Now the disease can be treated successfully in most people. The disease has to be treated over many years to be kept under control.

A virus that’s been linked with cervical cancer is now known to be involved in a number of other cancers. The human papillomavirus (HPV) is a major risk factor for oral cancers.

Nitrous oxide, better known as laughing gas, has been used as an anesthetic during surgery since the 19th century. Though it is widely used to this day, some studies linking it to a risk of heart attack have questioned its safety.

About 2 to 5 percent of newborn boys have undescended testicles at birth. Usually, the testicles descend on their own by the time the child is 6 months old.

People with the eating disorder anorexia nervosa may also experience symptoms of anxiety. Hormone replacement therapy may, in some ways, ease certain anxieties in anorexia patients.

There is good news on the smoking front: adults in America have been saying no to smoking more and more over the years.

What if you could compare healthcare providers online by looking up out-of-pocket costs for different services? Choosing a healthcare facility this way would be much easier.

Early diagnosis of sarcoidosis is key to preventing severe organ damage. This disease, which causes inflammation of body organs, can lead to permanent scarring of tissue if untreated.