Demodectic mange may occur in older dogs because
function of the immune system often declines with age.
Demodectic mange can also occur in very old dogs because
the function of the immune system often declines with age due to poor nutrition and chemical bombardment through out its life time.
Not exact matches
In zero gravity, for instance, various
immune system functions are impaired: Phagocytes known as macrophages, which kill and destroy invading bacteria, are no longer capable
of protecting the person optimally from infections, which is why astronauts
often suffer them.
Although
often perceived to be unhealthy, fats are important for lots
of different things, such as hair condition, skin, the
immune system, cell membrane
function and as an energy source [56, 57, 58, 59].