Medical research

Premature birth linked to poorer school grades in adolescence

Premature birth, before 34 weeks of pregnancy, is linked to lower scores in math and language tests as a teenager compared with those born at 40 weeks, finds a large Danish population study published today in The BMJ.

Inflammatory disorders

Familial risk estimated for inflammatory bowel disease

The risk for a patient with inflammatory bowel disease (IBD) having a first-degree relative (FDR) with IBD is increased, according to a study published in the August issue of Alimentary Pharmacology & Therapeutics.

Psychology & Psychiatry

Healthy development thanks to older siblings

During the first years of their lives, children develop the cognitive, social and emotional skills that will provide the foundations for their lifelong health and achievements. However, exposure to environmental stressors ...

page 1 from 23


A sibling is a brother or a sister; that is, any person who shares at least one of the same parents.

In most societies throughout the world, siblings usually grow up together and spend a good deal of their childhood with each other. This genetic and physical closeness may be marked by the development of strong emotional associations such as love or enmity. The sibling bond is often complicated and is influenced by factors such as parental treatment, birth order, personality, and people and experiences outside the family.

This text uses material from Wikipedia, licensed under CC BY-SA