Health Research: Virus-carrying mosquitoes are more widespread than ever ♦ The riddle of Celiac disease solved? ♦ Medical tourism: Implications for patients, health systems

Longer acquaintance levels the romantic playing field Partners who become romantically involved soon after meeting tend to be more similar in physical attractiveness than partners who get together after knowing each other for a while, according to new findings

Smell fingerprints? Each person may have a unique sense of smell Scientists have developed an 'olfactory fingerprint' test that may do more than just identify individuals.

Virus-carrying mosquitoes are more widespread than ever, and spreading Scientists behind the first global distribution maps of two species of dengue and chikungunya-carrying mosquitoes warn they are spreading to new areas where they could cause disease

The riddle of Celiac disease solved? The cause of celiac disease has been found, researchers claim. Experts estimate that 1% of people have celiac disease. This is a partly hereditary disease that may place considerable strain on patients and their families. The immune system of patients with celiac disease reacts to gluten proteins from cereal grains, causing inflammation of the mucous membrane of the small intestine. This reaction to gluten causes the immune system of celiac patients to attack their own body.

Medical tourism: Implications for patients, health systems Patients who travel abroad for medical treatment risk returning with complications or infections that require costly treatment, and is one of the issues highlighted in a new handbook exploring medical tourism