One big difference between osmosis and diffusion is that both solvent and solute particles are free to move in diffusion, but when we talk about osmosis, only the solvent molecules (water molecules) cross the membrane.
Familial Cancer Program. The Familial Cancer Program at Norris Cotton Cancer Center provides counseling for people who may have an increased risk of cancer because of their personal and/or family history. The issues surrounding inherited risk and genetic testing are complicated.
Question: What does the phrase risk factor mean in terms of breast cancer? Answer: A risk factor for breast cancer is something, either in a patient's medical history or a physical exam finding, that increases the likelihood that a patient would eventually develop breast cancer. Many of these risk factors relate to lifestyle events for women. For example, the age at which menstrual period started are related to breast cancer. Earlier age onset of menstrual periods, before the age of 12, increases risk. Late age at first birth of a child born alive with late being after the age of 30 increases the risk.