Initially rejected from the X Factor at the age of 14, when Liam Payne returned to audition again two years later Simon Cowell felt the teenager from Wolverhampton was ready. But if anyone can ...

Factor investing involves using factor models like CAPM and APT to predict individual security returns based on macroeconomic or other factors. Factor investing is a formulaic method for ...

Risk factors are determinants associated with an increased risk of a disease. Risk factors can be genetic or an aspect of personal behavior, lifestyle or environmental exposure.

The risk factors of rheumatoid arthritis (RA) include those you might expect, such as age, gender, and genes. But lifestyle factors also influence your chances of developing RA, including smoking and ...

A rheumatoid factor (RF) test is a blood test that can help diagnose rheumatoid arthritis (RA). The test measures the amount of rheumatoid factor in your blood. Rheumatoid factor is an autoantibody ...