Less offspring due to territorial conflicts

Both species, humans and chimpanzees, can be extremely territorial, and territorial disputes between groups can turn violent, with individuals killing each other. In humans, such between-group competition can escalate to war and devastating loss of human life. Researchers from the Max Planck Institute for Evolutionary Anthropology studied wild Western chimpanzees to find out whether territorial…

Drug trial seeking first ever treatment for dangerous side effect of Prader-Willi syndrome

One in every 15,000 children is affected by Prader-Willi syndrome (PWS), a complex, genetic endocrine condition caused by a disorder of chromosome 15. It’s non-inheritable, meaning the condition isn’t passed down from a family member. Among the regular side effects like growth hormone deficiency, hypothyroidism, delayed puberty, behavioral problems and learning difficulties, but hyperphagia is…