Aerosol therapy a colloid system in which solid or liquid particles are suspended in a gas, especially a suspension of a drug or othersubstance to be dispensed in a cloud or mist. aerosol clearance removal of particles that have been deposited in the respiratory tissues. Clearance may occur byciliary transport, by phagocytosis, by encapsulation and immobilization in a deposit of fibrous tissue (in which case theparticles remain in the body), and by dissolving in tissue fluid

One of the wonders of breast milk is that it can meet your baby's nutritional needs even when you're not eating perfectly. (However, if your diet is too low in calories or relies on one food group at the exclusion of others, this could affect the quality and quantity of your milk). Just because your baby won't be harmed by your occasional dietary lapses doesn't mean that you won't suffer. When you don't get the nutrients you need from your diet, your body draws on its reserve