Obesity rates continue to skyrocket around the world. The Lancet medical journal recently reported that the number of overweight and obese people doubled over the past 30 years, reaching 2.1 billion worldwide in 2013, despite public health campaigns and other measures that promote healthy eating and exercise.
Rare genetic mutation linked to psychiatric illnesses, obesity B Charlie Fidelman, GAZETTE Health Reporter October 8, 2012 MONTREAL — Grounding chronic illnesses and mental disorders in human DNA is like trying to tease out a giant riddle that’s complicated by the intricate relationship between biology and behaviour.
McGill researchers have identified a small region in the genome that conclusively plays a role in the development of psychiatric disease and obesity. The key lies in the genomic deletion of brain-derived neurotrophic factor, or BDNF, a nervous system growth factor that plays a critical role in brain development.