A Giraffe's heart, which can weigh up to 24 lb (10 kg), has to generate around double the normal blood pressure for a large mammal in order to maintain blood flow to the brain against gravity.
Background. Bacterial overgrowth syndrome (BOS) is a term that describes clinical manifestations that occur when the normally low number of bacteria that inhabit the stomach, duodenum, jejunum, and proximal ileum significantly increases or becomes overtaken by other pathogens.
What is Birt-Hogg-DubÃ© syndrome?Birt-Hogg-DubÃ© syndrome (BHD) is a hereditary condition associated with multiple noncancerous (benign) skin tumors, lung cysts, and an increased risk of both benign kidney tumors and kidney cancer. Symptoms of BHD generally do not appear until adulthood.