A viral TikTok video showcases the surprising effects of a twin pressing against their ... told Newsweek: "I see babies born with crooked noses and misshapen heads from the birthing process ...

Identical twins are not as identical as previously assumed, according to a study published today (January 7) in Nature Genetics. Rather than having exactly the same DNA sequences, twins start ...

The team identified one mutation in a known leukemia-causing gene that was shared by the twins, as well as another 22 leukemia-related mutations that were not shared. The authors suggested that the ...