When it comes to getting a dog many peoples first thoughts run towards getting a puppy, and that's fine, but there are definite advantages in adopting an adult dog instead. If you're trying to decide between a puppy and an adult dog, considering the following in favour of the adult.
So you're standing in front of a litter of puppies; They're all cute, probably excited and jumping all over you which only makes choosing harder, and you could easily pick up any of them and walk away with a puppy in your hands and a smile on your face.
Walking along the pens of most dogs shelters there is a saddening pattern. The first row of pens at my closest has a Staffie, Staffie, Kelpie, Husky, Staffie, Husky, Staffie... and on it goes.
Even as a responsible, sensible owner with a well socialised dog, at some point you're likely to see a dog fight. Problems don't happen often and if you're lucky they may pass you buy, but it doesn't hurt to be prepared.
Though more prominent in certain breeds and larger dogs in general, Bloat (properly called gastric dilatation volvulus or GDV) is a serious medical condition all dog owners need to be aware of.