Skin problems quite often relate to poor nutrition, untreated parasites, and stress, but can be resolved with the appropriate care. Stress raises cortisol levels, which weakens the immune system, leading to skin problems; this, in turn, leads to licking or biting, causing sores. St Giles treats all animals for parasites as standard. Teddy, a two-year-old Rottweiler, loves playing in the sandpit at the enrichment area of St Giles. The pit at St Giles is composed of a truck tyre filled with lots of the golden stuff.