The actress made the difficult decision to remove both her breasts before she developed breast cancer, but her genetic makeup means her children may be at increased risk of the disease as well. (healthland.time.com)
Patients with a family history of diseases or who work and / or live in environments with exposure to toxins have weakened immune system which increases the risk of disease in the future. (stemcellimmuneregenerative.com)
But chronic stress can increase the risk of diseases such as depression, heart disease and even cancer. (scientificamerican.com)