The twin subjects are already a part of another research project, the TwinsUK adult twin register. The investigators analyzed their self-reported symptoms to discover if they had anything in common, ...

Genes are partially to blame for which coronavirus symptoms people experience, according to a new study that used twins to explore how genetics impact patients’ response to the virus. The study, which ...

Higher body dissatisfaction was associated with more severe eating disorder and depressive symptoms among adolescents.

Feeling twin flame separation sickness? Learn about the ending signs, separation stages, and how to heal while apart from your other half. A twin flame, or a “twin soul,” is our soul’s other half.

A new mitochondrial disease has been identified after a pair of identical twins were showing an unusual symptom. Despite eating far more calories than needed, the twins were underweight. Doctors ...

Conjoined twins are twins — two babies — that are physically connected to one another. They may be connected at the chest, abdomen, head, or some other part of the body and often share organs in these ...

Severe autism symptoms can be reversed and reduced to an indistinguishable level, scientists have claimed. Two non-identical twin girls in the US were found to have a level of autism at 20 months old ...

The Centers for Disease Control and Prevention has expanded the number of symptoms on its official list for COVID-19. Previously, the CDC had cited fever, cough and shortness of breath as possible ...