This new blood test claims to detect over 50 cancers before onset of symptoms

Cancer isn’t the leading cause of death in the United States; heart disease ranks first in that regard. But it’s cancer that strikes fear into the hearts of many Americans. Cancer can take an excruciating toll on its millions of victims and their family members. Cancer treatments are often highly toxic, and the disease is increasingly striking people at younger ages, which is why it accounts for more years of potential life lost than heart disease. So when a blood test comes along that cla...